更糟的是，阿军已精疲力竭，他们在前线得不到轮换：其参军后已连续不断地战斗了三年。
Worse, Afghan battalions are exhausted. They do not rotate out of the front line: soldiers fight without a break for the three years they are enlisted.
拎手提包或公文包时，应该不时地两边轮换着拎，避免让身体的一侧负担过重。
When carrying a bag or briefcase, switch sides frequently to avoid placing the bulk of weight on only one side of your body.
他兴奋地两只脚轮换着单脚跳。
在过去20年里，气温起伏就像我们童年玩的溜溜球那样，时高时低，一如地球上寒冷的冰川期和温暖的间冰川期不断地轮换交替。
In the past 2m years the temperature has gone up and down like a yo-yo as ice ages have alternated with warmer interglacial periods.
投手还可以不断地换，但诺瓦克之后还有谁？但火箭的这张轮换阵容名单似乎不是他们想要的答案。
They could keep changing shooters. Steve Novak, anyone? But the revolving door rotation does not seem an answer.
由于该抽样调查采取的是分层抽样，因此相应地用分层抽样下的样本轮换研究。
As the sampling survey is stratified sampling, so the research of the sample rotation is under the stratified sampling.
拎手提包或公文包时，应当不断地两边轮换着拎，避免让身体的一侧负担过重。
When carrying a bag or briefcase switch sides frequently to avoid placing the bulk of weight on only one side of your body.
透过岗位轮换，您将会更全面地掌握产品管理各方面知识。
Through the job rotation, you will be able to better understand and handle the knowledge of all aspects of product management.
在比赛即将结束时，教练频繁地轮换球员。
The coach rotates her players frequently near the end of the game.
工作轮换是系统地调整改换人们的工作来拓宽他们的经验。
Job rotation involves moving people around on a systematic basis in order to broaden their experience.
结果还证实了不同改良方案的轮换，可扩大对被改良群体不同基因位点的选择压力而有效地改良群体。
The results also showed that the change of improving methods could exert selection pressure on different gene site, which can made the method more effectively.
结论大量而持续地使用杀虫剂可产生抗药性，因此要加强对蚤类抗药性监测，轮换使用灭蚤药物，科学、合理用药。
Therefore, the resistance of insecticide must be monitored constantly when killing fleas. The insecticide must be used scientifically and rationally.
结论大量而持续地使用杀虫剂可产生抗药性，因此要加强对蚤类抗药性监测，轮换使用灭蚤药物，科学、合理用药。
Therefore, the resistance of insecticide must be monitored constantly when killing fleas. The insecticide must be used scientifically and rationally.
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