名词
中文翻译：大量作用
同义词：
['mass influence', 'mass movement']
例句：
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1.The law of mass action states that thespeed of a chemical reaction is directly proportionalto the concentration of reactants.
质量作用定律表明，化学反应的速度与反应物的浓度成正比。
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2. The workers' union organized amass action against the company's unfairlabor practices.
工会组织了一次针对公司不公平劳动实践的大规模行动。
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3. The government's decision to increase taxes will havea mass effect on the economy.
政府决定增加税收将对经济产生重大影响。