1.
We will be satisfied with a crude observation about the size of M.
我们将满足于关于m的大小的一个粗略的估计。
2.
Numerical values of the temperatures below the crust can still be given only within broad limits.
地壳以下温度的具体数值只能给出粗略的估计。
3.
We do not have the true figures so we will have to make some approximations.
我们没有真实的数字，因此只能作些粗略的估计。
4.
As a rough guide it can be generally stated that for each 1p spent on an admixture then approximately 4-5p worth of cement can be saved.
作一个粗略的估计，一般说耗用每一磅外加剂，能节省约4-5磅水泥的价值。
5.
a crude sketch, method, approximation
粗略的草图、 方法、 估计
6.
The Pearl River Delta zone accounts for roughly 30% the entire export volume of the Chinese Mainland.
粗略估计，珠江三角洲的出口量占全国大于30％。
7.
A tentative evaluation or rough calculation, as of worth, quantity, or size.
估价粗略地计算和大致的估价，例如价值、数量或尺寸
8.
The visual fields can be roughly estimated by confrontation.
测定视野可用对照法粗略估计。
9.
A crude way to verify the accuracy of the estimating equation is to examine the graph of the sample points.
检验估计公式的一种粗略方法，是考察一下样本点的图象。
10.
He tried to illustrate the fact with a diagram of curves based on rough estimates.
他试图以根据粗略估计做出的曲线图来说明情况。
11.
Many other investigators had obtained crude estimate for the value of the charge quantum.
当时，许多其他研究者也得到了电荷量子的粗略估计值。
12.
crude econometric model
粗略的计量经济学模式
13.
I made some rough calculations in the back of an envelope .
我在信封的背面做了一个粗略的估算。
14.
Such estimates should be considered only as crude approximations.
上述估算结果只能是粗略的近似值。
15.
A rough idea of the annual rainfall can be assumed from previous years, but the fluctuation in the rate of intensity of rainfall during a storm is unpredictable.
从前几年的实际情况可以粗略估算出年降雨量,但一场暴雨强弱带来的水位涨落却无法估计。
16.
The builder gave an approximate cost for fixing the roof.
房屋修建商给修理房顶粗略地估计了一个价钱。
17.
rough practical method of assessing or measuring sth,usu based on past experience rather than on exact measurement,etc(and therefore not completely reliable in every case or in every detail)
（对事物）粗略但实用的估计方法（通常指凭经验而不作精确的计量等,故并非时时处处均可靠）
18.
a rough sketch, calculation, translation
草图、 概略的计算、 粗略的翻译