1."In the absence of these bacteria, the immune system is thought to become more prone to allergic disease, " he said.
“如果没有这些细菌存在，免疫系统变得更容易出现过敏性疾病，”他说。
2.At least some patients present with extrahepatic manifestations even in the absence of a clear clinical presentation of hepatic disease.
一些患者在还没有明确的肝病临床表现的时候就已经表现出一些肝外表现了。
3.Unlock: In the absence of any key operation after 10 seconds, auto-lock button the bottom right corner of the key symbols processes.
解锁：在没有任何按键操作后10秒，按键自动上锁，屏幕右下角的按键符号突起。
4.In the absence of such a choice by the parties, the law of the country which has the closest connection with the contract shall apply.
当事人没有选择的，适用与合同有最密切联系的国家的法律。
5.But, he concludes, most researchers say that in the absence of a vaccine, a combination of these methods could slow the onward march of HIV.
但是，Cohen得出结论说，在缺乏疫苗的情况下，对这些方法的联合应用确实能够减缓艾滋病毒扩张的脚步。
6.In the absence of surface oxygen, CO might be hydrogenated directly to formyl, a way inferior to that of CO2 hydrogenation.
在无表面氧时，CO可能直接氢化成甲酰基，即CO2氢化中的一途径。
7.Yet in the absence of Soviet tanks and a terrible wall, it has become easy to forget this truth.
然而，没有了苏联的坦克和可怕的墙，这一事实很容易被忘记。
8.Kinetic energy can be destroyed, but momentum cannot be destroyed in the absence of a net external force on the system as a whole.
动能可以被毁，但是动量不能，在整个系统外力，不存在情况下。
9."It all looks damned fishy to me, " he said, "but in the absence of any evidence, I suppose I must accept your version. "
“在我看来，这件事非常可疑，”他说，但是既然没有证据，我想也只好接受你的说法了。
10.In the absence of any other actions on the part of the requestor, the default value is used as the endpoint address by the stub.
请求程序方面在缺少任何其它动作时，存根就将默认值用作端点地址。