下降了...

In the United States happiness has trended downward over time,but the picture is rather more mixed in Europe

在美国，幸福感随着时间而下降了。但欧洲的情况有些复杂

In all, applications for student visas have fallen by 23% in the past year.

去年，学生签证的申请下降了23%。

Its advance bookings are down 23% from a year ago.

提前预订与一年前相比下降了23%。

As in previous months, sales of pickups and sport-utility vehicles, down by 31% year on year, were worst hit.

而和此前的月份一样，皮卡和运动功能车的销量萎缩的最厉害，同比下降了31%。

CTAC had the best effect, bringing the sludge cake moisture down to 68%. At 0℃, the above test was also done for the following conditions: untreated, CPAM, FeC13/CaO, and acid conditioning. The sludge cake moisture is lower at 0℃ than that at normal temperature. The untreated sludge and pH=2 sludge had the lowest moisture. At -15 ℃, CTAC brought the sludge cake moisture down to 62.8%, 6% lower than at normal temperature.

结果表明，CTAC对污泥的调理效果最好，可使污泥滤饼含水率降至68%。0℃时，未经处理、CPAM、FeCl3/CaO、加酸处理条件下污泥脱水效果较常温时都有不同程度的提高，效果最好的为未经处理和pH=2条件下的泥样；-15℃时，CTAC条件下滤饼含水率较常温下降了约6%，达到62.8%。

The test results demonstrated that the peeling with incisor bar could reduce green veneer curl-up ratio over 60% compared with the smooth roller bar, and generate more even veneer thickness and less veneer thickness variation than the smooth roller bar.

结果表明：采用柔化辊旋切的单板的湿单板卷曲率比光滑压辊下降了60%，单板厚度较均匀，厚度偏差较小；柔化辊与光滑压辊的最佳旋切设置完全不同。

After four thermal cycling tests, the cell performance measured at 650℃reduced about 20% mainly due to the delamination between the cathode and Ag current collecting layer.

而在四次热循环测试后，同样650℃测得的功率下降了20%，这主要是由于阴极和集电层Ag的分层造成的。

U.S. production of common clay and shale declined by 2.1% to 23.2 Mt valued at $129 million.

其中，球粘土的产量为110万吨，下降了3.5%，产值为4520万美元。

A drop down style custom color picker has been required for one of the applications I was developing.

扎扎实实风格的自定义颜色选择器下降了需要有一个应用程序，我发展。

A second Ingo Dalton projection takes up most of one of the shorter walls in the space, adjacent to one of two corner clusters of four glass drop pendant lights of varied lengths, by Vistosi.

第二英戈道尔顿预测占用空间中的一个最短墙，毗邻的两个玻璃下降了4个不同长度的Vistosi吊灯，角落集群之一。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。