And the intelligent surge-preventing system for diesel engine's turbocharger is introduced from its principle and controlling rules.

分析了柴油机增压器低温喘振的原因和危害，介绍了开发的柴油机增压器智能防喘装置的原理和控制规律。

youdao

A model for evaluating the capacity of district synthetic preventing system in terms of earthquake losses is established in this paper by using fuzzy mathematics.

本文针对一个区域的现况，以经济损失为指标，用模糊数学的方法，建立了区域地震综合防御体系能力的评估模型。

youdao

Garwood says Gaza's health-care system also is not functioning as well as it could because Israel is preventing many medical professionals from leaving the Gaza Strip.

VOA: standard.2010.06.01

Now it's different in important ways because it's really focused at preventing the collapse of the economy that is created by a financial system failure.

现在，这个不同有很重要的意义,因为它真正专注于,阻止被金融系统的失败而引发的,经济的崩溃。

耶鲁公开课 - 金融市场课程节选

Recent discoveries revealed that tumors are adept at cloaking themselves by hijacking the body's own mechanism for preventing the system's T-cells, the infection- and disease-fighting cells of the immune system, from running amok against healthy tissue.

WSJ: New Cancer Drugs Harness Power of Immune System

If there is any hope of getting to this stage, researchers have a major hurdle to get over - preventing the immune system rejecting the new cells.

BBC: NEWS | Health | 'This is a very exciting advance'

The pivotal role of the immune system in preventing the emergence of cancers is increasingly clear.

BBC: HIV patients at risk of cancer