weak cold front 弱冷空气
The result shows that a weak front has little effect on the sound propagation , however, the warm eddies can lead to great decrease of propagation lost.
结果显示弱锋对声传播的影响并不明显,而暖涡能引起涡区后强烈的声衰减。
参考来源 - 海洋中尺度结构声传播特性分析·2,447,543篇论文数据,部分数据来源于NoteExpress
General retailers, on the front line of the consumer downturn, report continued weak trading, although the outlook on the High Street is not as grim as a few months back.
身处市场最前沿的普通零售商对消费下滑感同身受,他们报怨说生意持续低迷,尽管对繁华商业区生意的预期比几个月前乐观多了。
The soldier was too weak to be sent to the front.
那士兵身体太弱,不能送往前线。
Though their amazing musk can be smelled miles away, their vision is exceptionally weak, and most skunks can only see about 10 feet in front of them.
虽然它们类似麝香的臭味能传好远,但是,它们的视力却极其弱,大多数臭鼬只能看到它们前面大约10英里。
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