换句话说，它们是角度度量，以带小数部分的度数表示，不是直线距离(采用米、英尺或类似的单位)。
In other words, they are angular measures, in degrees with decimal fraction, not linear distances (in meters, feet, or similar units).
若将单一细胞内所有的基因组片段拉成一条直线，那长度将超过6.5英尺。
If the human genome were put in a straight line, it would be over six and a half feet long.
常规室温下固化聚酯的经验法则是：直线每一英尺的收缩量为1/32英寸（当加强玻纤重量比为25%时）。
A general rule of thumb for conventional room-temperature cured polyesters is 1/32 inch of shrinkage per linear foot when reinforced with 25 weight percent glass content.
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