当地大学生理学系的水下称量桶是另一种方法(有些体育馆偶尔也会提供便携式罐体)。
An underwater weighing tank in the exercise physiology department at a local university is another option (some gyms occasionally offer measurements taken in portable tanks).
采用线性组合算符和幺正变换方法，研究了非对称量子点中电子和体纵光学声子强耦合下束缚磁极化子的性质。
The properties of bound magnetopolaron with strong electron-LO phonon coupling were studied using a linear combination operator and a unitary transformation method in an asymmetry quantum dot.
化肥中氮和氯的含量是经常需检测的指标，但常规分析方法为两次称量，耗时长，条件控制严格。
The content of nitrogen and chlorine in fertilizer is usually measured, but routine analysis method needs weighing twice, consuming long time and strict condition.
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