查询词典 primary

Methods Primary and secondary school students(aged from 7 to 18)were surveyed.

对北京市昌平区7~18岁中小学生进行调查。

Abdul Hamid, the district governor of Mohammad Agha, said that 12 of the dead were children attending a boy's primary school close to the scene.

Mohammad 当地官员Abdul Hamid说，有12个死者是现场附近一所中学的孩子。

Results Agranulocytosis could occur in any patients inspite of the patients' age, dose, duration of ATD treatment whether primary or secondary.

结果 ATD引起的粒细胞缺乏症不论服药剂量大小、患者年龄、服药时间长短、以及是否为初治或复治，均可发生。

So , every dynasty regards managing primary task of economic work agriculturally as .

因此，历朝历代莫不把管理农业作为经济工作的首要任务。

For the aim of saving energy and optimizing control of chilled systems, the performance of VWV systems and characteristics of control systems were analyzed based on the simulation. According to the characteristic of the monitored parameters and controlled variables in VWV systems, three online optimal control strategies were proposed and validated:(1) Optimal strategy for on/off control of chillers according to the ratio of secondary flow rate to primary flow rate.(2) Optimal strategy for the control of secondary pump according to value positions of auto-controlled AHU vales. And (3) Optimal strategy for supply chilled water temperature control of chillers according to valve positions of auto-controlled AHU valves and working status of secondary pump.

为达到节能和优化系统控制的目的，在楼宇空调水系统及其局部控制仿真分析的基础上，针对变流量系统监测点和可调参数较多的特点，提出并验证了3个实时优化控制方案：根据初级和二级冷谋水流量的比率，实时优化多台冷水机组的启／停控制；利用AHU自动控制水阀的阀位信息，实时优化二级水泵的控制；利用AHU自动控制水阀的阀位信息以及二级泵的工作状况，实时优化冷水机组出水温度的控制。

The development,structure and distribution of the secretory ducts are studied systematicly in primary structure of Ailanthus alitissima .

系统地研究了臭椿初生结构中分泌道的发生发育、结构及分布规律。

The ailanthus plants werenot primary source host for ZYMV,WMV,PRSV-W and CMV.

首次证明臭椿在葫芦科作物病毒流行中不能作为其主要病毒ZYMV、WMV、PRSV-W和CMV的毒源寄主。

My ministry is to groom ground service of army of air force air arm is of all kinds and primary the main base of technical personnel.

我部是培训空军航空兵部队地勤各类初级技术人员的重要基地。

Developing the model, the author thinks that Fuel supply and primary air have dominate effect on bed temperature.

该模型主要考虑了给煤量和一次风量对床温的影响，将这两个量作为模型的基本输入。

Air entering the engine is divided into a primary and a secondary airstream.

两个转子是彼此独立的机械结进入发动机的空气被分成主两个气流。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。