英汉双语例句-生物医药大词典

By the end of 1880, Edison had produced a 16-watt bulb with a special carbonized cotton filament that could last 1,500 hours.

中文意思：
1880年末，爱迪生终于利用特别碳化棉做灯芯，创制了一个16瓦特灯泡，用上1,500小时。

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	By the early 1990s, average life expectancy in the United States had climbed to seventy-five years, seventy-two for men and neatly seventy-nine for women.			而到了二十世纪九十年代，美国人的平均寿命上升到75岁——其中男性72岁，女性79岁。
	By the early 20th century even fancy lace and ribbon-strewn cards were created by machine.			到了20世纪初的时候，工厂已经开始使用机器来制作卡片，同时还会用蕾丝与丝带来装饰卡片。
	By the eighties it had started attracting corporate sponsorship and television coverage.			到了（20世纪）80年代，它开始吸引大公司赞助以及电视转播。
	By the empirical test, we find the homebuyers' subsidy policy could stable housing price level, but it will enlarge the oversupply problem.			研究发现，购屋补贴政策具有稳定房价的效应，但是将会使得空屋问题持续扩大或延续。
	By the end od this term we shall have learned this textbook.			到本学期末我们将能学完了这本书。
	By the end of 1880, Edison had produced a 16-watt bulb with a special carbonized cotton filament that could last 1,500 hours.			1880年末，爱迪生终于利用特别碳化棉做灯芯，创制了一个16瓦特灯泡，用上1,500小时。
	By the end of 1922, the government had licensed around 550 stations across the United States, with most of these stations broadcasting with modest power levels on 360 meters, or approximately 832.8 Kilohertz.			到1922年底,政府准许了大约550个驻地横跨美国,与大多这些驻地播放以普通的力量水平在360米,或大约832.8千赫。
	By the end of 1962, we had met the demand for petroleum.			到1962年底，我们对石油的需求已得到满足了。
	By the end of 1994 China had altogether 29.29 million retirees, whose retirement pay and retirement allowances averaged 82 percent of the average wage of workers and staff on the job.			1994年底，中国有离休、退休、退职人员2929万人，他们领取的离休、退休、退职金，人均相当于在职职工平均工资的82%。
	By the end of 1998, minerals that had been discovered, confirmed and explored included: cyanite, silex，quartz，xanthoconite, others that need proving up and exploring included: mica, phosphorite, diamond, rutile, crude oil, kalium ore, etc.			至1998年底，发现、探明并已开发利用的矿种有：蓝晶石、硅石、石英砂、黄砂，有待探明和开发利用的矿种有云母、磷矿石、金刚石、金红石、石油、钾矿石等。
	By the end of 1999, the economy had grown continuously since March 1991, the longest peacetime economic expansion in history.			自1991年3月至1999年底，美国经济一直保持增长，从而形成有史以来最长的、和平环境下的经济增长期。