查询词典 approximately

The critical humidity level which is at 45% is approximately same for clear and polluted air.

大意好像是说：对于清洁的空气和污染了的空气，临界湿度大体相同，都是45%。

And the cross correlation function is approximately zero, which makes them suppress the disturbances due to the other users. After describing some basic knowledge of chaotic theory in chapter 2, we interview and classify the applications of chaos in communications including chaos secure communication, chaotic spreading codes for multi-user access in spreading spectrum system and chaotic modulation and demodulation in chapter 3. FM-DCSK system with non-coherent demodulation offers the best performance in chaotic modulation schemes.

在混沌调制方案中， FM-DCSK调制是一种极具竞争力的混沌调制方式，它克服了CSK、COOK、DCSK解调中存在的估计问题的缺点，在无线信道的传输过程中，可以很好的抑制噪声干扰与多径衰落，并且能获得非常优越的解调性能，加上混沌信号本身优越的保密性能，该调制方式在未来的无线通信领域存在着巨大的潜在优势。

We will be cruising at an altitude of approximately zero feet.

我们将在大约0英尺的高度巡航。

Cover it with plenty of cold water and leave for approximately 20 minutes or until the grains soften and lose their crunchiness (which means, of course, you'll have to bite a few to find out how they're going).

再倒入大量的冷水，大约20分钟或者直到小麦颗粒软化为止和失去它们颗粒的脆声（当然，这意味着，你必须咬几粒数几次，来弄清解它们的变化情况）。

Approximately 2 to 3 pounds of meat may be packed per cubic foot of freezer space.

制冷空间中每立方英尺可储存包装好的约2～3磅的进一步的加工肉。

Finally, there is a cuckoo clock: according to written records, approximately 164 years with a pair of brothers named ESH invented the first block of FireWire world resting clock, which is the predecessor of a cuckoo clock, and later in 1750, settle an old francs.

最后是咕咕钟：根据记载，大约在1640年的时候，有一对名叫库兹的兄弟发明了第一座世界上最早问世的木架钟，这是咕咕钟的前身，后来在1750年时，一位法朗安顿。

A course of treatment costs approximately $350 and has a 50-70% chance of curing the condition.

一个疗程的费用350 美元左右，并有50-70％，固化条件的机会。

Nickel wires with a diameter of approximately 250 nm had single-domain structure,while unique core-shell cylindrical domain structures were found in wires with a diameter of 2μm.

MFM观测结果表明，直径250 nm的镍纳米线拥有单磁畴结构；而直径2μm的镍线的磁力图呈现的是新颖的核—壳圆柱形磁畴。

Cystic Fibrosis is caused by an abnormal gene, carried by approximately 1 in 25 people in the UK.

囊性纤维化是造成一种不正常的基因，进行了大约一在25人，在英国。

The company is based in Dallas, Texas and employs approximately 63,900 workers.

该公司的总部设在得克萨斯州的达拉斯，并雇用了大约63900工人。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。