It had been used for practical ends, to identify elements and to unravel radioactive decay chains.

Radon is a gas that comes from the radioactive decay of radium in rocks.

氡是来自岩石中镭辐射衰变而产生的一种气体.

Chemistry also uses calculus in determining reaction rates and radioactive decay.

化学也使用演算在确定反应速率和放射性衰变.

Alpha particles positively charged helium nuclei obtained from natural radioactive decay.

粒子是从天然放射性蜕变得到的带正电的氦核.

The cost of the surgical operation figured out at about $ 30,000.

这项外科手术的费用合计达三万美元左右.

Before undergoing a surgical operation arrange your temporal affairs? you may live.

在动手术之前先安排好你的俗事? 你可能生存下来.

Does the need after surgical operation notice those item?

外科手术后需要注意那些事项?

The thought of undergoing a surgical operation tied me in knots.

一想到要动手术,我就紧张起来.

Conclusion pancreas injury surgical operation havded to do a diagnosis before.

结论胰腺损伤术前很难做出诊断.

Results: 22 cases were verified by cerebral angiography, DSA or surgical operation respectively.

结果: 有22例分别由脑血管造影 、 DSA检查及外科手术证实.

Is there any alternative to undergoing a surgical operation?

除了动手术还有别的办法 吗 ?

Some people can have their vision restored by a surgical operation.

有些人可以通过外科手术恢复视力.

All of them were proved by surgical operation or pathology.

所有病例均经手术或病理证实.

Surgical operation and meticulous post-operative cares are needed for a favorable outcome.

想为此类患者争取较为乐观的预后,手术治疗及细致的术后治疗是必须的.

Before undergo a surgical operation arrange your temporal affairs-you may live.

在接受外科手术之前,把你在这世上的俗物整理一番吧 - -你说不定会活过这一关的.

She was a staple in the 90's Swimsuit Issues, but inexplicably never made the cover.

她是一个主要在90年代泳装问题, 但不知何故从来没有封面.

The swimsuit will be used by most US swimmers in athens.

雅典奥运会时,美国大多数游泳健儿将身穿这种游泳衣参赛.

Jane: I see that. You're already wearing your swimsuit.

珍: 我看到了, 你已经穿著你的泳衣了.

Yes, wear your swimsuit. That will be funny.

是的, 穿上你的泳衣. 那会很有趣.

Andy : That's a swimsuit? Looks more like a top and skirt.

那是泳装 吗 ?看起来像是ㄧ件上衣加ㄧ条裙子丫!

The swimsuit comes in navy with white spots or blue with green spots.

这款泳衣有藏青色带白色圆点的，也有蓝色带绿色圆点的。