The maximum difference between mean time and apparent time is ______.A.equal to the longitude expressed in time unitsB.about 16 minutesC.the difference between the GHA of mean sun and the first point of AriesD.15°of arc

题目

The maximum difference between mean time and apparent time is ______.

A.equal to the longitude expressed in time units

B.about 16 minutes

C.the difference between the GHA of mean sun and the first point of Aries

D.15°of arc

相似考题

1.The major difference between PERT and CPM networks is:A.PERT requires three time estimates whereas CPM requires one time estimate.B.PERT is used for construction projects whereas CPM is used for R & D.C.PERT addresses only time whereas CPM also includes cost and resource availability.D.PERT requires computer solutions whereas CPM is a manual technique.E.PERT is measured in days whereas CPM uses weeks or months.

2.计算机的“可用性”主要取决于MTBF(Mean Time Between Failure)和MTTR(Mean Time To Repair)，一台计算机的可用性比较高是指A．MTBF和MTTR都高B．MTBF和MTTR都低C．MTBF高，MTTR低D．MTBF低，MTTR高

3.通常使用平均修复时间MTTR(Mean Time to Repair)和平均故障间隔时间MTBF(Mean Time Between Failure)这两个指标来评价产品或系统的可靠性。A．错误B．正确

4.What is considered as a measure of how much one has remembered?A The length of the listB The type of list itemsC The time difference of relearningD The time difference of brain working

更多“The maximum difference between mean time and apparent time is ______.A.equal to the longit ”相关问题

  • 第1题：

    Where there has been delay in carrying goods， the measure of damages ________ generally the difference between the market value of the goods at the time when they ought to have been delivered and the time when they were in fact delivered．

    A.have

    B.has

    C.are

    D.is


    正确答案：D

  • 第2题：

    A mean sun is used as the reference for solar time for three reasons. Which reason is NOT a cause for use of a mean sun?

    A.The motion of the apparent sun is along the ecliptic

    B.Measurement of time is along the celestial equator

    C.The speed of the Earth's revolution is not constant

    D.There are variations in the Earth's rotational speed


    正确答案：B

  • 第3题：

    The time interval between the transmission of signals from a pair of Loran-C stations is very closely controlled and operates with ______．

    A.An atomic time standard

    B.Daylight Savings Time

    C.Eastern Standard Time

    D.Greenwich Mean Time


    正确答案：A

  • 第4题：

    在After Effects 6.5中如何将一段影片倒放？（）

    • A、Time Stretch
    • B、Time Remapping
    • C、Time-Reverse Keyframes
    • D、Time Difference

    正确答案:A,B,C

  • 第5题：

    Which of the following is the definition of CAS latency？（）

    • A、 CAS latency is the ratio between the column access time and the clock cycle time.
    • B、 CAS latency is the ratio between the row access time and the clock cycle time.
    • C、 CAS latency is the ratio between the column access time and the data burst transfer time.
    • D、 CAS latency is the ratio between the row access time and the data burst transfer time.

    正确答案:A

  • 第6题：

    单选题
    The maximum difference between mean time and apparent time is （）.
    A

    equal to the longitude expressed in time units

    B

    about 16 minutes

    C

    the difference between the GHA of mean sun and the first point of Aries

    D

    15°of arc


    正确答案： B
    解析： 暂无解析

  • 第7题：

    单选题
    Which of the following definitions can be used to define the term ‘offset ’ as a characteristic of controller action?（）
    A

    The period of time in which the set point and the control point coincide

    B

    The periodic change between the set point and the control point

    C

    The variable difference between the set point and the control point

    D

    The constant difference between the set point and the control point


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    The difference between international and national Navtex Service is limited to（）.
    A

    frequency allocated

    B

    both language and frequency

    C

    language used

    D

    transmission power and time


    正确答案： B
    解析： 暂无解析

  • 第9题：

    判断题
    通常使用平均修复时间MTTR（Mean Time to Repair）和平均故障间隔时间MTBF（Mean Time Between Failure）这两个指标来评价产品或系统的可靠性。
    A

    对

    B

    错


    正确答案： 对
    解析： 暂无解析

  • 第10题：

    单选题
    A mean sun is used as the reference for solar time for three reasons. Which reason is NOT a cause for use of a mean sun?（）
    A

    The motion of the apparent sun is along the ecliptic

    B

    Measurement of time is along the celestial equator

    C

    The speed of the Earth's revolution is not constant

    D

    There are variations in the Earth's rotational speed


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    When tuning a network module what is the purpose of the grace period？（）
    A

    It defines the maximum permissible time period between missed heartbeats before a failure is detected

    B

    It defines the time period to wait to activate the network module after starting the cluster manager

    C

    It defines the period between detecting a missed heartbeat and initiating a network down， allowing thenetwork to stabilize

    D

    It defines the time period during which， after a network failure was detected， further network failures of thesame type will be ignored


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    To be successful in our training program, we must understand the difference between _____.
    A

    a job description and a job specification

    B

    what is taught and how it is taught

    C

    learning about skills and training in using them

    D

    the savings in time and the savings in cost


    正确答案： B
    解析：
    由第三段第二句“Successful training programs depend on an understanding of the difference between learning about skills and training in using them”可知，C项符合题意要求。

  • 第13题：

    The height of tide is the ______.

    A.depth of water at a specific time due to tidal effect

    B.difference between the depth of the water and the area's tidal datum

    C.difference between the depth of the water and the high water tidal level

    D.difference between the depth of the water at high tide and the depth of the water at low tide


    正确答案：B

  • 第14题：

    A signal indicating Greenwich mean time would be preceded with ______.

    A.a code hoist to indicate Greenwich mean time to follow

    B.the letter G

    C.the letters GT

    D.the letter Z


    正确答案：D

  • 第15题：

    MTTR（Mean Time To Repair）：（）。


    正确答案:故障修理时间，即生产设备从故障发生到修理结束，并使之能够正常生产的平均处理时间

  • 第16题：

    MTBF（Mean Time Between Failure）：（）。


    正确答案:故障间隔时间，即生产设备从本次故障到下次故障的平均间隔时间

  • 第17题：

    When tuning a network module what is the purpose of the grace period？（）

    • A、It defines the maximum permissible time period between missed heartbeats before a failure is detected
    • B、It defines the time period to wait to activate the network module after starting the cluster manager
    • C、It defines the period between detecting a missed heartbeat and initiating a network down， allowing thenetwork to stabilize
    • D、It defines the time period during which， after a network failure was detected， further network failures of thesame type will be ignored

    正确答案:D

  • 第18题：

    填空题
    MTBF（Mean Time Between Failure）：（）。

    正确答案： 故障间隔时间，即生产设备从本次故障到下次故障的平均间隔时间
    解析： 暂无解析

  • 第19题：

    单选题
    Where a time charter-party is wrongfully（）,the Charterer is entitled to claim damages amounting the difference between the contract rate for the balance of the period of the charter-party and the market rate for the chartering a substitute vessel.
    A

    reproduced

    B

    repatriated

    C

    repudiated

    D

    recovered


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    Sidereal time is used by navigators when（）.
    A

    used with the equation of time

    B

    used in the form of LHA Aries

    C

    calculating the time of moonrise

    D

    determining local apparent time


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    Which of the following is the definition of CAS latency？（）
    A

     CAS latency is the ratio between the column access time and the clock cycle time.

    B

     CAS latency is the ratio between the row access time and the clock cycle time.

    C

     CAS latency is the ratio between the column access time and the data burst transfer time.

    D

     CAS latency is the ratio between the row access time and the data burst transfer time.


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    The time interval between the transmission of signals from a pair of Loran-C stations is very closely controlled and operates with（）.
    A

    An atomic time standard

    B

    Daylight Savings Time

    C

    Eastern Standard Time

    D

    Greenwich Mean Time


    正确答案： A
    解析： 暂无解析

  • 第23题：

    填空题
    MTTR（Mean Time To Repair）：（）。

    正确答案： 故障修理时间，即生产设备从故障发生到修理结束，并使之能够正常生产的平均处理时间
    解析： 暂无解析

相关内容