1. The police will be cracking down on lager louts this summer.
   今年夏天，警方将采取严厉措施对付那些酗酒滋事的年轻人。
2. You should have heard them cracking him up!
   你真该听听他们对他是如何吹捧的。
3. After the hot dry summer, the soil is cracking up.
   燥热的夏天过后, 土地在龟裂。
4. He’s always cracking jokes in class.
   他在课上总是讲笑话。
5. Father was cracking the nuts.
   父亲正在砸开那些坚果。
6. We’ll have to get cracking with the painting if we want to be finished by Friday.
   如果想在星期五之前油漆完，我们得加紧干了。
7. Good toughness and thermal cracking resistance.Used in the stands of prefinish rolling.Suitable for hot rolling thread steel.
   具有优良的韧性和抗热烈纹能力,适用于预精轧机架和热轧螺纹钢.
8. The behavior of forming and cracking of carbenium ions was analyzed and the reaction pathway of propylene formation was summarized.
   通过分析正碳离子的生成与裂解反应特点，探讨了丙烯的生成规律。
9. With the raising of partial hydrogen pressure, the cracking reaction of tert-butylbenzene is prompted, while the conversion of butylbenzene is restricted.
   叔丁基苯的转化率随氢分压的升高而提高，正丁基苯的转化率随氢分压的升高而降低。
10. !--Security is strengthened by employing a PBKDF2 key derivation function.However, the weak passphrases users typically employ are vulnerable to password cracking attack.
    安全性是利用 en:PBKDF2 密钥导出函数 (en:key derivation function) 来增强的，然而使用者采用的典型的弱密语会被密码破解攻击。
11. By applying multivariable model predictive control (MPC) technology, the control performance of the gasoline debutanizer of fluid catalytic cracking unit can be improved.
    将多变量模型预测控制技术应用于催化裂化汽油稳定塔的控制，有助于提高稳定塔的控制品质。
12. The color of the products is argent grey metallic shine, smooth, unknit. They mustn't be oxydic badly, lacking of sintering, over heating, delamination and cracking.
    产品表面呈银灰色金属光泽、光滑、平整、不得有严重氧化现象，不得有欠烧、过熔、鼓泡、分层、裂纹等缺陷。
13. This paper introduces the light gaso line etherify technology,brings fo rward the project of building the light gasoline etherify device on th e catalyst cracking cell in the refin ery plant.
    介绍了轻汽油醚化技术,提出了在炼油厂催化裂化单元建设轻汽油醚化装置的方案。

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