事先的

We should make exact estimats aforehand .

我们需要事先作出准确的估计。

Interim analysis must be aforethought and consideration should be given to avoid its possible biased impact on the running trial.

期中分析必须事先计划，要尽可能避免期中分析对试验的影响。

Chimpanzees also malice aforethought threw stones collected prior visitors, pictures Weekly: British man of rare "face blindness",.

黑猩猩也会恶意预谋事先收集石块扔向游客，图片周刊：英国男子的罕见"脸盲症"，。

He dutifully presented himself at the mosque for 'agama' lessons in preparation for his conversion. The imam never appeared for their pre-arranged appointments.

他尽责得很，出席了准备皈依回教的宗教课程，虽然已经事先预约好了，但是宗教司并不曾赴会。

These signals may be substituted with an alternate set of signals agreed upon by the group.

这些信号可以被团队事先交流定出的一套信号取替。

We need to make an accurate estimate in advance.

我们需要事先作出准确的估计。

We need to give an exact estimate in advance.

我们需要事先作出准确的估计。

We need to make an exact evaluation in advance.

我们需要事先作出准确的估计。

We need an accurate estimation in advance.

我们需要事先作出准确的估计。

We should make an exactly estimate in advance.

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。