Thee school was placed under lockdown until police had searched the building and determined there was no further threat to students, said Patti Holm GREn, spokes woman for the school system.
教育系统女发言人帕蒂·霍蒙格林说，警方彻底搜查了学校并确认没有进一步的危险，在此之前学校一直处于关闭状态。
In case of meeting the dust collecting efficiency of the system, the economical ventilation quantity was determined making the system to be operated under economic condition.
在满足系统除尘效率的情况下，确定了除尘器经济入口风量，使系统经济运行。
Relevance is not universal, but depends on the universe of meaning and the belief system under which relevance is determined.
相关性不是普遍的，而是依赖于意义世界和决定了相关性的信仰系统。
An axial piston pump with large displacement has been used as the pump under test, a measurement system has been put forward and flow ripples at different pressures have been determined.
并以一台较大排量的轴向柱塞泵为被试泵，建立了流量脉动测试系统，实现了多种压力下被试泵流量脉动的测试。
The man and woman fail to achieve a union in the novel. Under a patriarchal system, the male-female relationship is determined to be tragic.
本文通过论述男女主人公的悲剧结局说明，在父权和殖民体系下男性和女性之间的关系注定是一个悲剧。
Hydrogen peroxide is a potent oxidant, and the levels of hydrogen peroxide must be accurately determined in order to fully characterize the oxidative state of the system under study.
过氧化氢为强氧化剂，其浓度水平必须准确检测以完全确认被研究系统的氧化状态。
Hydrogen peroxide is a potent oxidant, and the levels of hydrogen peroxide must be accurately determined in order to fully characterize the oxidative state of the system under study.
过氧化氢为强氧化剂，其浓度水平必须准确检测以完全确认被研究系统的氧化状态。
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