weight-average chain length 重量平均链长
When the plant cover was 25% and 50%, the survival rate and abnormality rate were low, and the average values of body length and weight were high.
当水草的覆盖度为25%和50%时，仔鱼的成活率高、畸形率低、平均体长和体重都较高。
The mean body weight, average body length, tail length significantly decreased.
实验组胎鼠的身长、尾长和体重等发育指标均有显著的降低。
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