The following rule is a useful test for intervisibility.下面介绍一种检验通视的方法.Two - way transceivers could be integrated into ceiling lamps order to assure intervisibility.为了保证通视性可以将双工收发器嵌入到天花板的照明灯上....
The checkups were a good idea, but she needn't have panicked.检查是个不错的主意, 但大可不必惊慌.You needn’t feel any guilt about me.你用不着因为我而內疚。You needn't worry...你不必担心。"I'll put the key in the window." — "You needn'...
China is the world's largest exporter of apparels and textile products globally.中国是世界全球范围内最大的服装和纺织品出口国.Readymade Garments, Leather Garment, Athletic Wear, Leather Apparels, Outerwear, Sportswear.采购产品成衣, 皮具衣服, 运动服, 皮...
他现在把变量叫做流,变量的变化率叫做流数.He now called a varrable quantity a fluent and its rate of change , the fluxion.于是, 在正常点火时,叶片温度的变化率约为30度/秒.Thus, during a normal light-up the temperature charge rate on the blade is about 30 degrees/...