The paper divides the crisis spread and control into three phases: crisis prewarning, middle period and crisis handling period.

文章将危机传播控制划分为前期危机预警、中期危机处理和后期危机调控三个阶段，并提出了一套危机传播控制的基本模型。

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The fire movement, smoke spread and control, method of fire compartmentation, usage of finishing materials as well as safe evacuation of people have been discussed and analyzed.

针对相连接部位开口处的防火分隔失效时人员能否安全疏散进行评估，研讨人员安全疏散评估过程中所采用的定性分析和定量分析方法。

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Farmer ants secrete antibiotics to control other fungi that might act as "weeds", and spread waste to fertilise the crop.

农民蚂蚁分泌抗生素来控制其他可能充当“杂草”的真菌，并传播排泄物来给作物施肥。

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Kim Bertrand at the Harvard School of Public Health is an epidemiologist -- someone who studies the spread and control of diseases.

VOA: special.2011.04.28

They noted that the grass can absorb and control the spread of harmful wastewaters, like those from pig farms.

VOA: special.2010.02.09

In the past,the W.H.O.and experts with America's Centers for Disease Control and Prevention noted guidance for disease spread on airplanes.

VOA: special.2009.07.14

The spread of birth control and a desire for smaller families tend to accompany economic growth and development almost everywhere.

ECONOMIST: China's family planning

The following March, security firm IOActive created a proof-of-concept exploit designed to spread from meter to meter and take control of a smart grid.

FORBES: Researcher Throws A Wrench In IBM And HP's Sensor Networks

It was the rapid unrecorded movement of livestock which caused foot-and-mouth disease to spread out of control.

BBC: Foot and mouth rules set to be eased