When a tree becomes hollow or part of it becomes dead, it provides a home for small animals and is a source of food for many other animals.
当树中空或部分死亡时，它为小动物提供了一个家，也成为了许多其他动物的食物来源。
Information reported to WHO suggests that close contact with diseased or dead pigs is the principal source of human infection.
向世卫组织报告的信息表明与病猪或死猪密切接触是人感染的主要感染源。
Investigations of human cases in Asia and elsewhere have identified close contact with diseased or dead household poultry as the most important source of human exposure to the virus.
在亚洲和其它地方对人间病例的调查已确认与家庭禽群或死禽直接接触为人与该病毒最重要的接触源。
The livestock sector is probably the largest source of water pollution, contributing to eutrophication, 'dead' zones in coastal areas and degradation of coral reefs.
畜牧业很可能是水污染的最大来源，造成富营养化、沿海地区出现“死区”和珊瑚礁退化。
Given the recent economic trends will SOA; no matter what you call it, be it dead or alive; be the source for cost savings and business efficiency in the enterprise?
考虑到最近的经济形势，SOA(不管你说它是死还是活)是否会成为企业节约成本和提高业务效率的根源呢？
Investigations into the source of her infection indicate exposure to sick and dead poultry.
对其感染源的调查表明曾接触过病禽和死禽。
Investigations into the source of infection indicate that the both cases had exposure to sick and dead poultry.
感染源调查显示，两位病人都与怀疑患有禽流感的家禽有过接触。
Investigations into the source of infection indicated that all the above cases had close contact with dead and sick poultry.
感染源调查显示，上述所有病例均与病禽和死禽有过密切接触。
Investigations into the source of infection indicated that the above two cases had close contact with dead and sick poultry.
感染源调查显示，上述两个病例均与病禽和死禽有过密切接触。
Investigations into the source of his infection indicate a recent history of exposure to sick and dead poultry.
对其感染源进行的调查表明，他最近曾接触过病禽和死禽。
Investigations into the source of infection indicated that the five cases had exposure to sick and dead poultry.
感染源调查显示，五位病例均与病死禽有过接触。
Investigations into the source of infection indicated close contact with dead and sick poultry prior to becoming ill.
感染源调查显示发病前曾与病死家禽密切接触。
Zinc also assists in new-cell production and the sloughing off of dead skin, which gives the skin a nice glow [source: Self].
锌还会帮助新细胞的形成以及死皮的脱落，从而使肌肤容光焕发。
"Until recently everybody thought European defence was dead," says one senior source, "But now it may be rising from the ashes."
源于一位高级人员的话讲，“直到目前为止，世人都认为欧洲防务已经死去，但是现在他可能又要死灰复燃了。”
“Until recently everybody thought European defence was dead,” says one senior source, “But now it may be rising from the ashes.
源于一位高级人员的话讲，“直到目前为止，世人都认为欧洲防务已经死去，但是现在他可能又要死灰复燃了。”
All evidence to date indicates that close contact with sick or dead birds is the principal source of human infection with the H5N1 virus.
迄今的所有证据表明，与病禽或死禽密切接触是人类感染H5N1型病毒的主要原因。
He sees his superstar spouse as a dead weight around his neck and now wants a divorce to be agreed quickly, the source was quoted as saying.
该报援引消息人士的话说，里奇觉得他的巨星夫人“压得他喘不过气来”，现在他只希望能尽快离婚。
He sees his superstar spouse as a "dead weight around his neck" and now wants a divorce to be agreed quickly, the source was quoted as saying.
该报援引消息人士的话说，里奇觉得他的巨星夫人“压得他喘不过气来”，现在他只希望能尽快离婚。
Investigations into the source of infection indicated that all four cases had exposure to sick and dead poultry.
感染源调查显示，四位病人都曾与病死禽有过接触。
Investigations into the source of infection indicated that both cases had exposure to sick and dead poultry.
感染源调查显示，两位病例均与病死禽有过接触。
Investigations into the source of infection indicated that the case had exposure to sick and dead poultry.
感染源调查显示，该病人与病死禽有过接触。
'Also, because poufs take time to dry and may well retain dead skin cells, it's a potential source of infection,' said dermatologist Dr Sam Bunting.
“而且，因为浴花过段时间才能干，也许还留有死皮细胞，是感染的潜在来源，”皮肤病专家萨姆·邦廷说。
Effects of source box, vacuum shell, dead layer and P-type wick in the calculation are considered in detail.
计算中仔细考虑了源盒、真空壳、死层及P型芯等的影响。
And newspapers are a long way from being dead as a go-to information source.
作为一种值得信赖的信息来源，报刊的生命还远未结束。
In the case of delivery failure for transactional messages, the message is sent to the transactional dead-letter queue on the source computer in all negative and in-doubt cases.
一旦事务性消息传递失败，则在所有否定的和不确定的情况下，消息将被发送到源计算机上的事务性死信队列。
Source: Data of this table were dead reckoning ones from 2002 Nonnatives Dynamic Control Data of Beijing.
资料来源：根据2002年北京市外来人口动态监测资料推算。
This paper introduces an approach of designing the adjustable dead time of the complement SPWM signal source using general devices to assure the safe operation of the inverter.
文中介绍了采用普通元器件，为互补SPWM信号设定可调的死区时间，确保逆变器安全工作。
Isn't it ironic that the best source for new ideas are writers who've been dead for centuries?
难道新思想的重要源泉是那些已经逝去几个世纪的作家不具有讽刺意味吗？
Isn't it ironic that the best source for new ideas are writers who've been dead for centuries?
难道新思想的重要源泉是那些已经逝去几个世纪的作家不具有讽刺意味吗？
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