One absolute USAP requirement, however, is that all Antarctic personnel must have a full complement of ECW (Extreme Cold Weather) gear.
美国南极计划要求的一个绝对必备条件，就是全体南极工作人员必须配备全套ECW(极冷天气)装备。
The total number of G-bands was reduced by 36 percent, the absolute length of chromosome complement was contracted with 25 percent when cell mitosis proceeded from prometaphase to metaphase.
有丝分裂早中期至中期两个不同时期G-带带纹总数减少36％，染色体组的绝对长度缩短25％，带数减少的幅度大于染色体长度缩短的幅度。
The total number of G-bands was reduced by 36 percent, the absolute length of chromosome complement was contracted with 25 percent when cell mitosis proceeded from prometaphase to metaphase.
有丝分裂早中期至中期两个不同时期G-带带纹总数减少36％，染色体组的绝对长度缩短25％，带数减少的幅度大于染色体长度缩短的幅度。
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