To calculate finger length accurately you must measure the distance from the midpoint of the lowest crease at the base of the finger on the palm side to the very end of the fleshy tip.
要准确计算手指长度，就必须测手指掌面最低折痕中点到肉的尖端尾部之间的距离。
For all the facts given in the news - the plane's Sicilian base, the missile's weight and length and breadth and cost - one simple detail is left out: Who is in charge of the bombing?
新闻给出了所有的事实——飞机的西西里基地，导弹的重量、长宽和成本——唯独略去了一个简单的细节：谁在负责轰炸？
The researchers found that the polarization was a strong function of the length of the DNA strands – with 80 base-pair-long strands giving 60% polarization but 25 base pairs only yielding about 10%.
研究人员发现，极化率大小明显由DNA链的长度决定——80个碱基对长度的DNA链产生了60%的极化率，而25个碱基对长度所致的极化率只达到10%。
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