是DNA分子在复制过程中，由双螺旋结构解旋后解开的两条单链，也叫做模板链。
... fundamental breach of contract 根本上违约... fundamental chain 母链;主链... fundamental characteristics 基本性能...
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这种复制与细胞DNA链的复制或者人类对媒母的复制大不相同。
This copying is quite different from the way cells copy strands of DNA or humans copy memes.
具有高含量的C27甾烷、规则甾烷、4-甲基甾烷、长链三环萜烷，说明它们母质主要为菌藻类；
High amounts of C27 steranes, regular steranes, 4-methyl steranes, long chain tricyclic terpanes for the western Qaidam oils indicate that the dominant organic matter source is algal material.
对圆环链母材进行理化检测，证明化学成分和各项力学性能指标均符合要求，只有常温冲击韧性不符合要求。
After chemical and physical test, on conveyor chain material, it is concluded that the composition and various mechanical properties can meet the standard, except impact toughness at room temperature.
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