单词：photoelectric liquid-level indicator
单词：photoelectric liquid-level indicator 相关文章
The lone wolfs howl has long been chosen as a symbol of melancholy and loss. Now researchers have demonstrated that the choice was accurate. Howling is not related to the stress level of the crying canine or the dominance status of the departing wolf
Scientific American(八)月
In many countries, prostate cancer is among the leading causes of cancer deaths in men. Doctors rely on a blood test called PSA (prostate-specific antigen) to screen for the disease. But there are big problems with the PSA test. Now, the researchers
VOA标准英语2010年(十二)月
Science and Technolgy. 科技。 Photoelectric cells. 光电池。 To dye for. 染料光电池。 A new type of cell may bring solar energy indoors. 一种新型电池有望将太阳能引进室内。 THE phrase indoor solar power sounds like an oxym
经济学人科技系列
Science and technology 科学技术 Photoelectric cells 光电池 To dye for 染料光电池 A new type of cell may bring solar energy indoors 一种新型电池有望将太阳能引进室内 THE phrase indoor solar power sounds like an oxymoron. 室内
经济学人科技系列
Chinese Commerce Minister Gao Hucheng says participants at the meeting agreed that the global economic recovery remains sluggish, trade growth is lingering at a low level, and investment flow has yet to recover to pre-crisis levels. He says G20 count
2016CRI中国国际广播电台
SUVA, Dec. 18 (Xinhua) -- There are 60 typhoid cases in Nanoko, with 29 already hospitalized, according to Fiji's Health Ministry. Senior Health Inspector Paula Laqere said Sunday that the increas means that people are not practicing proper hygiene s
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