大约

I live on a half acre lot so now that summer is about here, I stay very busy.

我住在半英亩的好多了，大约是在夏天，我很忙。

Since about 1960,the leading route to acrylonitrile has been by catalytic reaction of propylene with ammonia and air.

大约从1960年起，获得丙烯腈的主要技术路线一直是利用丙烯与氨水和空气的催化反应。

The reaction produces about 20 MJ/Kg acrylonitrile.

此反应产生大约20兆焦耳/公斤的丙烯腈。

There are about 36 of these ships, but only about 21 active duty crews to serve them.

有大约36瘦此类潜艇，但只有约21值勤个潜艇人员组操作他们。

Blasting out from the active galactic nucleus toward the upper left, the energetic jet extends about 13,000 light-years.

高能喷流从活动星系核喷向影像左上方，一直延长大约有1.3万光年远。

It represents about 80% of economic activity.

它代表了大约80%的经济活动。

Religion was formed. Around 28,000 BBY legendary Sith King Adas ruled his

教信仰。大约在28，000 BBY，传奇的西斯王Adas领导他的人民建立起了他们帝国。

The first version vas released around 1990 and was wildly popular despite the fact that Alesis choose to use a consumer VHS mechanism which lead to dropouts and all too frequent breakdowns (the average ADAT machine seeing much more use than the average consumer video recorder).

导致退学和所有太频繁故障的第一版本vas 发布了大约1990 年和狂放地普遍竟管Alesis 选择使用消费者VHS 机制(平均ADAT 机器看见更多用途比一般的消费者录影机)。

The ADB says about 60 percent of the region's exports go to the United States, Europe and Japan.

亚洲开发银行表示，亚洲大约 60 %的产品出口到美国、欧洲和日本。

They will cruise for about 10 days to arrive in the Gulf of Aden

他们将经过大约10天的航行，抵达亚丁湾，参加国际巡航任务。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。