1.
The visual fields can be roughly estimated by confrontation.
测定视野可用对照法粗略估计。
2.
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％。
3.
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。
4.
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。
5.
The builder said that at a rough estimate the job would take about a fortnight to complete.
施工员说，粗略估计一下，这一任务要两周才能完成。
6.
Let's make a rough calculation: if in the year 2000 there are 1.2 billion people and each person consumes 400 kilograms of grain, we shall have to produce 480 million tons that year.
粗略估计一下，到二○○○年，以十二亿人口每人八百斤计算，粮食年产量要达到九千六百亿斤。
7.
Firstly, to make a rough estimate of the number of customers in their territory who might be interested and secondly,
首先，粗略估计一下他们地区内有多少客户可能对这产品感兴趣。其次，
8.
In addition to a rough estimate based on the number of message strings to be translated, other factors must be considered.
除了对需要翻译的信息字符串数量的粗略估计，还需要考虑其他因素。
9.
It is roughly estimated that about 20,000 athletes from all over the world will participate in the 2008 Beijing Olympics.
据粗略估计大约有20，000 名来自世界各地的运动员将参加2008北京奥运会。
10.
a crude sketch, method, approximation
粗略的草图、 方法、 估计
11.
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。
12.
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。
13.
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。
14.
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。
15.
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
16.
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。
17.
The vaccine targets human papilloma virus (HPV), which is widespread in the population.
粗略地估计一下，每年世界范围内约有500000名妇女会患上子宫癌。
18.
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。