名词中文翻译1
中文翻译：Unknown
同义词：
['inefficient', 'ineffective', 'inadequate', 'suboptimal']
例句：
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1. The new machinehas a low efficiency compared to the old one.
这台新机器的效率比旧的低。
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2. The teacher's explanation was not very clear, resulting in a low efficiency for the students.
老师的讲解不够清晰，导致学生理解起来很困难。
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3.The company's product line is too narrow, leading to a low efficiency in market competition.
公司的产品线太窄，导致在市场竞争中效率低下。