Objective To study the effect of multi stage controlled hypotension combined with hypothermia anesthesia on patients undergoing sacral tumor resection.

目的探讨多阶段控制性降压复合低温麻醉对骶骨肿瘤切除术的影响。

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The relationship between faults activity stage and hydrocarbon expulsive stage controlled the distribution, forming and destroy of oil and gas accumulation.

断层活动时期与源岩排烃期（油气源）的匹配关系，决定油气的分布层位及油气藏的形成与破坏。

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This will typically involve tightly controlled access for creation of editable versions of the model, with strong management roles involved at every stage of model use and development.

创建模型的可编辑版本时，一般会进行严格的访问控制，并在模型使用和开发的每一个阶段都进行严格的管理。

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"This is not part of the political process. The political process is very tightly controlled and the entry to the political stage is very tightly filtered and controlled by the Kremlin.

VOA: standard.2010.06.10

Sometimes, an employer can stage a controlled trauma to help an employee move beyond a stuck place or overcome denial.

CNN: Have an incompetent boss? You're not alone

It is not known at this stage how the fire started, but swailing - a controlled burning of overgrown heathland to clear the ground and encourage new growth - can with prior approval be carried out on the moor until the second week of April.

BBC: Massive gorse blaze near Okehampton

Michael Brody, a psychiatrist who teaches at the University of Maryland, cautions that mind-controlled games are useful only if they move beyond the novelty stage and become a standard part of patients' mental health regimens.

WSJ: Mind-Controlled Videogames Become Reality