查询词典 headwater erosion

However, seme environmental problems such as eutrophication,bacterial contamination and erosion of lake-shore have been brought about due to the improper management of the lake and no attention having been paid to its environmental protecticr.

淀山湖南北长15公里，东西宽7.5公里，呈葫芦状，周长53.8公里，面积62平方公里，水深2米左右，总蓄水量1.3亿立米，平均流速0.03米/秒，是黄浦江上游的主要水源地之一图1

Coastal erosion is a problem in Alaska as well, forcing the United States to prepare to relocate seral Inuit villages at a projected cost of $100 million or more for each one.

海岸线锐减也是阿拉斯加需要面临的重要问题。这也使美国被迫作出决定，着手转移几个因纽特人的村庄。而每座村庄所需的迁徙费用都高达100，000，000美元。

There is also a worrying trend toward ground and aerial spraying to control a highly invasive weed called sericea lespedeza, introduced decades ago to curb erosion around mines and provide forage and cover for wildlife around reservoirs.

另一个令人担忧的对象，是一种被叫做草海桐的胡枝子科植物，人类将其喷洒于地面和空中，用以控制入侵的杂草。数年前人们用它来防止水土流失，并给水库周围的野生动物提供饲料。

First , erosion resulting from excessive deforestation in the upper reaches of the river and , second ,heavy silting which ra

第一，过度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主干道的河床。

First,erosion resulting from excessive deforestation in the upper reaches of the river and ,second ,heavy silting which raised t

第一，过度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主干道的河床。

First, erosion resulting from excessive deforestation in the upper reaches of the river , and second ,heavy silting which raised the riverbed in the main channel .

汽车和自行车都提供公共运输的便利方式，两者的显著区别之一在于前者引起污染。5。酒和烟都是很容易上瘾的东西。

First , erosion resulting from excessive deforestation in the upper reaches of the river and , second ,heavy silting which raised the riverbed in the main channel .

第一，过度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主干道的河床。本新闻共15页，当前在第05页上一页

First , erosion resulting from excessive deforestation in the upper reaches of the river , second ,heavy silting which raised the riverbed in the main channel .

第一，过度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主干道的河床。

First , erosion resulting from excessive deforestation in the upper reaches of the river and , second ,heavy silting which raised the riverbed in the main

第一，过度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主干道的河床。

First , erosion resulting from excessive deforestation in the upper reaches of the river and , second ,heavy silting which raised the riverbed in the main channel .

第一，过度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主乾道的河床。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。