1 . Use of gonadotropins may involve a amount of risk, expense, and inconvenience.
使用促性腺激素有一定风险, 费用和不便.
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2 . Traditional copper surface roughening treatment involve the use of arsenide - containing electrolyte which is harmful to environment.
对铜箔表面进行粗化处理,传统的粗化工艺中要使用砷化物,不仅操作不便而且危害环境.
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3 . Other factors that affect the online environment, and what we can do to mitigate their impact.
这里要指出的是, 我们还可以使用其它关键要素来减轻网络环境中存在的冲突和不便.
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1 . use easily
awkward ; too complicated to understand or use easily ., 难处理的 ; 复杂难懂的 ; 使用不便的.
