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- The interior of the tube must be kept a hard vacuum to preserve the photo cathode. 显象管内部一定要保证高真空才能保护光电阴极。
- Sparks flared into space, along with an expanding fountain of gas that instantly crys tallized in the hard vacuum. 火花不断散入太空,同时一大团膨胀的气体迅速在真空中凝华成小冰晶。
- It is hard to sleep without a cooler in this room. 没有空气调节器,在这间屋里很难入睡。
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹,看能不能将它去掉。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- He pushed hard on the brake pedal to avoid a collision. 他使劲踩下煞车踏板以避免撞车。
- One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- He owes his opulence to work hard. 他的财富乃辛勤工作得来。
- In May, the team ran tests at lower temperatures but with harder vacuums as oxygen could be extracted with less power under this condition. 研究小组在五月曾尝试在低温但高度真空的环境下进行实验,因为在这环境下,提取氧气所需的能量会较少。
- She was trying hard to disgorge a fish bone. 她拚命想把鱼刺吐出来。
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
- Hard training will fit them to run long distances. 严格的训练将使他们能跑长距离。
- Seth really took it hard when his old dog died. 塞思的那条老狗死的时候,他确实怏怏不乐。
- Heavy taxes indispose a citizen to work hard. 重税于国民不愿意辛勤工作。
- It was hard work getting the children off to bed. 哄孩子们去睡可不是容易的事。
- We must take a hard look at our finances. 我们应该密切注意财务问题。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries