1.
A lowering of the water level in a reservoir or other body of water.
池降水库或其它水体的水位降低
2.
Lack of rain sank the reservoirs.
缺雨使水库水位降低。
3.
Study on Water Level Subsidence Due to Interferential Well Group Dewatering in Weak Aquifer
弱含水层干扰井群人工井点降水水位降深研究
4.
drawdown [groundwater]
水位下降〔地下水〕
5.
To reduce in grade, rank, or status;demote.
使降级，使降等在级别或地位上降低；使降级
6.
To reduce in grade, rank, or status.
降级降低等级、级别或地位
7.
decline to a lower status or level.
降到一个低的地位或降低身份。
8.
A lowering in amount, degree, or position.
降低，削弱数量、程度或地位的降低
9.
depression curve
(地下水位的)降落曲线
10.
Sale is down to single figures.
销售额下降到一位数。
11.
elevator wrist pin keeper
升降机肘节销定位螺钉
12.
act of lowering in rank or position.
职位或级别降低的行为。
13.
degrade sb. to a lower position
把某人降到较低职位
14.
The plane comes in and taxis up to its place.
飞机降落了，并滑行到位。
15.
The water table has been lowered by drought.
地下水位因乾旱已降低.
16.
Allow data type demotion (e.g. 32 bit integer to 16 bit integer).
允许数据类型降级（如 32 位整型降至 16 位整型）。
17.
The Big Apple dropped five places to No. 15, while Los Angeles fell to No. 42 from No. 29 in 2006.
纽约下滑五个榜位，降至第15位；洛杉矶从去年的29位下降至第42位。
18.
Please put your armrest into horizontal position for landing .
降落时请将座位扶手放于水平位置。