事先的

We need to make exact estimation in advance.

我们需要事先作出准确的估计。

We need to make some accurate estimation in advance.

我们需要事先作出准确的估计。

We need to make a exact estimate in advance.

我们需要事先作出准确的估计。

We need to make out the exact estimate in advance.

我们需要事先作出准确的估计。

We should make exact estimate in advance.

我们需要事先作出准确的估计。

We should make an exact estimate in advance.

我们需要事先作出准确的估计。

Extemporaneous talking is not entitled to be heard.

我从不求助于事先准备的讲稿，任

Dear ones, you must be very strong to be able to remain centered in the face of those dire occurrences and I hope that we have done a good job of preparing you.

亲爱的，你必须非常坚强地继续集中于面对这些可怕的事件，我希望我们已经事先妥当地警告你们做准备了。

Because groundwork adopting ferroconcrete structure is chosen in advance, drive error of theodolite working on it is very little and can be ignored.

由于地基是事先选好的，多采取钢筋混凝土结构，经纬仪借助于地基环固定在地面上，工作时带动误差非常小，可忽略不计。

We need to take accurate evaluement forehand.

我们需要事先作出准确的估计。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。