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In view of the calculation of the start-up time difference of in-lake and out-lake pumping stations on the upper and lower lakes,this article researches on the following related contents,such as the necessary and sufficient conditions of start-up of out-lake pumping station,the relation between the start-up time of out-lake pumping station and rising velocity of lake water level.

针对南水北调南四湖上、下级湖各自调水的出、入湖口提水泵站开启时间差的计算问题，开展了调水出湖提水泵站开启的必要和充分条件、出湖提水泵站开启时间和湖内水位升高速率等相关内容的研究。

Of course this was tasking slender powers for great ends; but it gave me something to do on a rainy day, and I acquired a sufficient knowledge of French to read with pleasure La Fontaine's,"Fables,""Le Medecin Malgrè Lui" and passages from "Athalie".

但是雨天时，它至少让我有了点事可做。而且在我兴趣盎然地读拉方丹的《寓言》和拉昔姆的《被强迫的医生》时，也的确学会了不少法语。

However, the Kurier report quotes Engel marketing director Gerd Liebig saying that this will not be sufficient to enable the company to deal with the approximate 60 percent decline in orders it is facing.

然而，信使报报告援引恩格尔耶德迪营销总监李比希说，这将不足以使该公司处理的大约百分之六十下降，它正面临订单。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。