更多“胁变(strain)”相关问题
  • 第1题:

    The preventer guy,as used on a conventional yard and stay rig,______.

    A.Is rigged at an angle of 70° to 90° from the guy it assists

    B.Takes the strain imposed on the schooner guy when burtoning cargo

    C.Is rigged when lifting cargo that exceeds the SWL of a single whip

    D.Should take the strain if the regular guy parts


    正确答案:D

  • 第2题:

    In anchoring orders, WALK BACK THE CHAIN means ______.

    A.pay away the chain

    B.check up the chain

    C.take a strain on the chain

    D.take in the chain


    正确答案:A
    在锚令中,倒转绞盘(锚机送链放锚)意思是松出锚链。

  • 第3题:

    肝病患者,出现胁肋疼痛、口苦、黄疸的同时,伴有脘腹胀闷、恶心呕吐、食欲减退的症状属于

    A.子病及母
    B.相生传变
    C.相侮传变
    D.相乘传变
    E.母病及子

    答案:D
    解析:
    五行中的一行对其所胜之行过度制约和克制,称为“相乘”,导致相乘的原因有“太过”和“不及”两种情况。本题是肝脏疾病传变至脾脏,肝属木,脾属土,题目中的情况为“木亢乘土”。

  • 第4题:

    “Stress”and“strain”的意义分别是()

    • A、应力和应变;
    • B、应变和应力;
    • C、应力和变形

    正确答案:A

  • 第5题:

    胁变(strain)


    正确答案:植物体受到胁迫后产生的相应变化,这种变化可表现在形态上和生理生化变化两个方面。据胁变的程度大小可分为弹性胁变和塑性胁变,前者指解除胁迫后又能复原,而后者则不能。

  • 第6题:

    品系(strain)


    正确答案: 是实验动物分类学上专用名词,采用一定的交配方式繁殖且祖先明确的动物群。具有相似的外貌、独特的生物学特征和稳定的遗传特性。

  • 第7题:

    Coisogenic inbred strain:突变同源近交系/同源突变近交系


    正确答案: 某个近交系在某位点上发生突变而分离出来的近交系,它和原近交系的差异只是突变的位点上带有不同的基因,而其它位点上的基因完全相同。

  • 第8题:

    单选题
    In order to pay out or slack a mooring line which is under strain,you should().
    A

    sluice the line

    B

    surge the line

    C

    stopper the line

    D

    slip the line


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    “Stress”and“strain”的意义分别是()
    A

    应力和应变;

    B

    应变和应力;

    C

    应力和变形


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    Which method should be used to secure a manila line to bitts().
    A

    A round turn on the bitt farthest from the strain and then figure eights

    B

    A round turn on the bitt closest to the strain and then figure eights

    C

    Figure eights and then a round turn at the top of both bitts

    D

    Only figure eights are necessary on both bitts


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    The latch of a safety hook().
    A

    increases the strength of the hook

    B

    prevents the sling ring from coming out of the hook if the strain is abruptly eased

    C

    prevents the sling ring from coming out of the hook if there is a strain on the sling ring

    D

    All of the above


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    When checking a mooring line,you should().
    A

    ensure the bight is not fouled between the ship and the dock by taking up slack

    B

    pay out slack smartly and keep free for running

    C

    secure more turns to hold the line against any strain,then clear the area

    D

    surge the line so that it maintains a strain without parting


    正确答案: C
    解析: 暂无解析

  • 第13题:

    A wire rope that has been overstrained will show ______.

    A.a bulge in the wire where the strain occurred

    B.a decrease in diameter where the strain occurred

    C.a kink in the wire where the strain occurred

    D.no visible effects of an overstrain


    正确答案:B
    一个钢丝缆如果承受过大的拉力,直径将减小。

  • 第14题:

    In order to pay out or slack a mooring line which is under strain, you should ______.

    A.sluice the line

    B.surge the line

    C.stopper the line

    D.slip the line


    正确答案:B
    为了松出或放松受力的系泊缆绳,你应放松缆绳。

  • 第15题:

    nbred strain animals:近交系动物


    正确答案: 指通过20代以上兄妹交配(或近交)之后培育而成,20代近交后,近交系的每个个体有98.6%的遗传位点是纯合的。

  • 第16题:

    照顾者压力指数(Caregiver Strain Index)的评分原则?


    正确答案: 照顾者压力指数描述十三个照顾病患者处境, 查问照顾者在照顾病患者及伤残人士时是否遇到困难。
    一个有困难的处境得1分, 总分最高13分, 最低0分, 分数越高, 压力越大。

  • 第17题:

    Strain breeding(菌种选育)


    正确答案: 从分离筛选获得的有价值菌种中经过人工选育出各种突变体以大幅提高了菌种产生有价值的代谢产物的水平,改进产品质量,去除不需要的代谢产物或产生新代谢产物

  • 第18题:

    同源突变近交系(coisogenic inbred strain)


    正确答案: 指两个近交系除了在一个确定位点等位基因不同外,其它遗传基因全部相同。

  • 第19题:

    异单基因近交系(Colsognic Inbred Strain)


    正确答案: 相同近交品系的动物内,如果发生了单个基因的突变,而培育成的新的近交品系称异单基因近交系。

  • 第20题:

    单选题
    Thrillers and action movies only succeed if they do not strain our ______ too much.
    A

    credence

    B

    credulity

    C

    credibility

    D

    creed


    正确答案: B
    解析:
    credence信任,信用。credulity轻信,易信。credibility可靠性。creed信条,教义。

  • 第21题:

    单选题
    If the towline parts,you should().
    A

    start towing by pushing ahead

    B

    abandon the towing vessel

    C

    retrieve the tow bridle

    D

    relieve strain on the retrieving line


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    Once a towline is connected between the towing vessel and the disabled vessel,the towing vessel should().
    A

    not exceed bare steerageway during the transit

    B

    take a strain as soon as you can to control the tow

    C

    come up to speed very slowly and maintain a safe speed

    D

    come up to speed quickly,then cut back power considerably to ease the strain


    正确答案: C
    解析: 暂无解析

  • 第23题:

    名词解释题
    菌株(Strain)

    正确答案: 单一分离体后代组成的微生物纯培养物。
    解析: 暂无解析

  • 第24题:

    名词解释题
    重组近交系(recombinant inbred strain RI)

    正确答案: 指由两个近交系杂交后,经连续20代以上兄妹交配培育成的近交系,称重组近交系
    解析: 暂无解析