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- reversed frequency operation 倒频运用
- The reversion frequency is increased by the addition of mutagents. 逆转的频率靠加入诱发变因素而增加。
- plasma radio frequency operation 等离子射频
- The reverse frequency of donor and receptor for auxotroph and resistance is less than 10~(-9), protoplast transformation is carried out in SMM containing 30% oolyethene glycol (MW 6000) and 20mg/ml DNA at controtledtime and temperature. 转化子有的是原养型,有的在含利福平(10单位/亳升)和链霉素(200单位/亳升)的培养基上能生长,也有的兼而有之。
- He reversed the coin and examined it carefully. 他把硬币倒过来，仔细检查。
- Husband and wife have reversed roles. 丈夫和妻子互换了责任。
- The court reversed its decision. 法庭撤销了原来的判决。
- He reversed his car into the garage. 他把车子倒开进车库。
- His coat can be reversed when it begins to rain. 他的外衣下雨时能翻过来穿。
- Writing is reversed in a mirror. 写出来的字在镜子里是倒著的。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- Their situations are now reversed as employee has become employer. 他们双方的地位转换了，雇员成了雇主。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Something that has been reversed; an opposite. 相反事物被颠倒的事物; 对立物
- The committee reversed its decision on import quota. 委员会取消了对进口货物的配额的决定。
- The Requirements of Abnormal Frequency Operation Capability for Large Turbo-generator Set 对大型汽轮发电机频率异常运行能力的要求
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- Project Selection of Permanent-magnet Motor in Air-conditioner Compressor on Variable Frequency Operation 空调压缩机永磁电机变频调速方案选择
- DIFN had a change pattern revers... 中国科学院研究生院;
- The reversion frequency is increased by the addition of mutagens 逆转的频率靠加入诱发变因素而增加。
