In a weather report GMT stands for ________ ．A.Greenwich Mean TimeB.Local Mean TimeC.General CargoD.General Average

题目

In a weather report GMT stands for ________ ．

A.Greenwich Mean Time

B.Local Mean Time

C.General Cargo

D.General Average

相似考题

1.X线平均波长(λmean)与最短波长(λmean)的关系是A.λmean=3λminB.λmean=5λminC.λmean=2λminD.λmean=5λminE.λmean=λmin

2.在标准正态分布条件下,有()。注:(mean(x)、Me、Mo分别代表x算术平均数,中位数与众数)A.mean(x)=Me=MoB.mean(x)＜Me＜MoC.mean(x)>Mo>MeD.mean(x)

3.已知Lxx=∑(x－mean(x))2=400,Lyy=∑(y－mean(y))2=3000,Lxy=∑(x－mean(x))·(y－mean(y))=－1000;则相关系数r=()。注:mean(x)、mean(y)分别为x,y的均值。A.0.925B.-0.913C.0.957D.0.913

4.x线平均波长(λmean)与最短波长(λmin)的关系是A.λmean =3λminB.λmean =2.5λminx线平均波长(λmean)与最短波长(λmin)的关系是A.λmean =3λminB.λmean =2．5λminC.λmean =2λminD.λmean =l．5λminE.λmean=λmin

参考答案和解析

正确答案：A

更多“In a weather report GMT stands for ________ .A.Greenwich Mean TimeB.Local Mean TimeC.Gener ”相关问题

第1题：

X线平均波长(λmean)与最短波长(λmin)的关系是
A．λmean=3λmin
B．λmean=2.5λmin
C．λmean=2λmin
D．λmean=1.5λmin
E．λmean=λmin

正确答案：B
B。X线平均波长(λ_mean)与最短波长(λ_min)的关系是λ_mean=2.5λ_min。
第2题：

--Your mum is very kind.
--Yeah, My mum is pretty considerate, you know what ,she always arranges everything around me.
A. she means B. you mean C. I mean D. we mean

正确答案：C
第3题：

In a weather report GMT stands for________.
A.Greenwich Mean Time
B.Grneral Mean Time
C.Government
D.General Management Treaty

正确答案：A
第4题：

The soundings on the chart are based on the depth of water available at ______.
A.mean low water
B.mean lower low water
C.mean high water
D.mean high water springs

正确答案：B
第5题：

The reference datum used in determining the heights of land features on most charts is ______.
A.mean sea level
B.mean high water
C.mean low water
D.half-tide level

正确答案：B
第6题：

X线平均波长（λmean）与最短波长（λmin）的关系，正确的是

A.λmean=3.5λmin
B.λmean=3.2λmin
C.λmean=2.8λmin
D.λmean=2.5λmin
E.λmean=2.2λmin

答案：D
解析：
X线平均波长（λmean）与最短波长（λmin）的关系是：λmean=2.5λmin。
第7题：

接入信道中，导频信道的开环输出功率为mean pilot channel output power，数据信道的开环输出功率为meandatachanneloutputpower，则接入信导前缀中的导频信道输出功率为（）
- A、mean pilot channel output power-mean data channel output power
- B、mean pilot channel output power+mean data channel output power
- C、mean pilot channel output power-0.5*mean data channel output power
- D、mean pilot channel output power+0.5*mean data channel output power
正确答案:B
第8题：

单选题
In a weather report,Z stands for（）.
A
zone time
B
zulu time
C
Greenich Mean Time
D
zone standard time

正确答案： A
解析：暂无解析
第9题：

问答题
If a is an integer, is b an integer?　　(1) The average (arithmetic mean) of a and b is an integer.　　(2) The average (arithmetic mean) of a, b, and b+4 is a.

正确答案： D
解析：
根据算数平均数的定义可知，本题应选D项。
第10题：

单选题
X线平均波长与最短波长（λ0）的关系是（）
A
λ_mean=0.5λ₀
B
λ_mean=1.0λ₀
C
λ_mean=2.0λ₀
D
λ_mean=2.5λ₀
E
λ_mean=3.5λ₀

正确答案： D
解析：暂无解析
第11题：

单选题
X线平均波长（λmean）与最短波长（λmin）的关系，正确的是（）
A
λmean=3.5λmin
B
λmean=3.2λmin
C
λmean=2.8λmin
D
λmean=2.5λmin
E
λmean=2.2λmin

正确答案： E
解析：暂无解析
第12题：

单选题
When is BBC’s Overseas Students at British Universities on air every day?
A
6:30 AM.
B
8:30 GMT.
C
18:30 Greenwich Mean Time.

正确答案： C
解析：从对话开头“It’s 18:30 GMT and welcome to BBC’s Overseas Students at British Universities. I’m Delia Robinson.”可推知选项C正确。
第13题：

X线平均波长(λmax)与最短波长(λmax)的关系，正确的是
A.λmean=3．5λmin
B.λmean=3.2λmin
C.λmean=2.8λmin
D.λmean=2.5λmin
E.λmean=2.2λmin

正确答案：D
第14题：

接入信道中,导频信道的开环输出功率为mean pilot channel output power,数据信道的开环输出功率为meandatachanneloutputpower,则接入信导前缀中的导频信道输出功率为()

A.mean pilot channel output power-mean data channel output power
B.mean pilot channel output power+mean data channel output power
C.mean pilot channel output power-0.5*mean data channel output power
D.mean pilot channel output power+0.5*mean data channel output power

参考答案：B
第15题：

The height of a light is measured from which reference plane?
A.Mean low water
B.Mean high water
C.Average water level
D.Geographical sea level

正确答案：B
第16题：

The average height of the surface of the sea for all stages of the tide over a 19 year period is called ______.
A.mean high water
B.mean low water
C.half-tide level
D.mean sea level

正确答案：D
第17题：

X线平均波长与最短波长(Xo)的关系是
A.λmean=0．5λ0
B.λmean=1．0λ0
C.λmean=2．0λ0
D.λmean=2．5λ0
E.λmean=3．5λ0

正确答案：D
所谓平均波长，是指波长曲线与横坐标所围成面积的重心的垂线与横坐标的交点所代表的波长。λmean=2．5λ0o
第18题：

均数（mean）

正确答案:指在一组数据中所有数据之和再除以数据的个数，是反应数据集中趋势的一个指标。
第19题：

单选题
In a weather report “GMT” stands for（）.
A
Greenwich Mean Time
B
Gross Mean Time
C
Great Mean Time
D
Gross Metric Ton

正确答案： A
解析：暂无解析
第20题：

单选题
X线平均波长(λmean)与最短波长(λmin)的关系是（　　）。
A
λ_mean=3λ_min
B
λ_mean=2.5λ_min
C
λ_mean=2λ_min
D
λ_mean=1.5λ_min
E
λ_mean=λ_min

正确答案： B
解析：暂无解析
第21题：

单选题
If they mean to you（）they mean to me, they may perhaps be helpful also to our sons for their guidance and inspiration.
A
who
B
what
C
that
D
just as

正确答案： D
解析：暂无解析
第22题：

单选题
If 70% of the bananas in a particular harvest had an average (arithmetic mean) length of 7 inches and 30% of the bananas in that harvest had an average (arithmetic mean) length of 5 inches, what was the average (arithmetic mean) length, in inches, of all of the bananas in the harvest?
A
6.0
B
6.2
C
6.4
D
6.6
E
6.8

正确答案： B
解析：
假设共有100个香蕉，根据题干全部香蕉的长度为(100×70%×7)+(100×30%×5)=640英尺，共有100只香蕉，所以平均每只香蕉的长度为640/100=6.4。故选C。
第23题：

单选题
What does the word “rundown” (Line 3, Para. 1) possibly mean?
A
The rehearsal of tomorrow’s programme.
B
A working report or summary to his superior or head.
C
An explanation of the programme.
D
Preparation for the programme.

正确答案： D
解析：
词义推断题。监制人工作的第一项就是要听一个最近工作进展情况的汇报。选项B正确。

In a weather report GMT stands for ________ ．A.Greenwich Mean TimeB.Local Mean TimeC.General CargoD.General Average

题目

相似考题

参考答案和解析

更多“In a weather report GMT stands for ________ .A.Greenwich Mean TimeB.Local Mean TimeC.Gener ”相关问题

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