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- Induced conchocelis seemly had lower mutation rates.However mutagenesis happened in their F1 thalli widely.The regularity of mutation expression in diploid cells was showed. 虽然经诱变的丝状体在藻丝阶段表现较低的突变率，然而诱变引发的突变却主要在后代配子体中表达，显示为二倍体细胞的突变表达规律。
- The earlier a mutation expresses itself in embryonic development, the more forcefully it will resound through the organism. 胚胎发育过程中某个突变表达得越早，它在整个有机体里的传播就越激烈。
- Our teacher has mutation of sounds suddenly. 我们的老师突然语音发生了变化。
- BCP mutation may impair HBeAg expression. BCP双突变对HBeAg的表达有一定影响 ;
- An expression of pain flitted across her face. 她脸上闪过一种痛苦的表情。
- He always shows a doleful expression. 他总是露出忧郁的表情。
- I can think of no greater expression of defeatism. 这是我听到的最悲观的失败主义论调了。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- She looked at me without expression. 她毫无表情地朝我看着。
- The scenery there was beautiful beyond expression. 那儿的风景美丽得无法形容。
- He looked at her with a solemn expression. 他表情严肃地望着她。
- There was an expression of discontent on her face. 她脸上有不满的表情。
- People have the rights of assembly and expression. 人们有集会和发表言论的权利。
- She gave expression to her sadness. 她流露出了悲伤之情。
- The expression or manifestation of such feeling. 欢欣，喜悦，高兴的表情或表现
- The level of formality determine the precise mode of expression. 不同的礼节程度决定所需的确切表达方式。
- "To pull a face" is an idiomatic expression. "To pull a face""愁眉苦脸"是一个习惯表达法。
- He had a passive expression on his face. 他脸上有一种漠然的表情。
- He looked at me with an incredulous expression. 他怀疑地看着我。
- Formation or development of a mutation. 变异的形成或者发展
