据估计的英文怎么说

据估计的英文：
at a guess
on a calculation

It is thought that the Prime Minister will visit moscow next month
据估计首相於下月访问莫斯科

It was supposed that he had had a sudden attack of faintness
据估计，他当时突然头晕发作。

It is estimated that more than 90% of the considerable carbohydrate mass in nature is in the form of polysaccharides.
据估计在自然界中大约90%以上的碳水化合物以多糖形式存在。

It is estimated that about half of the carbonate oil and gas reservoirs in North America are in dolomite
据估计，北美的碳酸盐岩油气藏有一半是在白云岩内。

About noon, as nearly as we could guess, our attention was again arrested by the appearance of the sun
据估计，大概快到晌午时分，我们又把全部注意力集中在太阳的外表上了。

Italy has an estimated 1.5 million immigrants mostly from Morrocco, Albania and Romania.
据估计意大利有150万移民大部分来至摩洛哥、阿尔巴尼亚和罗马尼亚。

At present aircraft emissions are estimated to account for about 2% of the total world CO2 emissions
目前，据估计飞机排放出的二氧化碳约占全球二氧化碳总量的2%。

I guessed his thoughts.
我猜着了他的想法。

That is merely a lucky guess.
那只是侥幸猜中。

Can you guess the answer to this riddle?
你能猜出这个谜吗?

Make a guess at the answer.
猜一下答案。

Can you guess the height of the tree?
你能猜出这树的高度吗？

These are the calculating formulas.
这些是计算公式。

Please calculate quotient and remainder.
请计算商和余数。

Program a computer for pay calculations
为计算机计算工资作程序设计

We calculate on your cooperation.
我们指望你们的协作。

A refinement of the calculation is warranted.
计算的精度是可靠的。