查询词典 keep

This will help keep the tongue from blocking the air passage so the child can breathe.

而且还可以让孩子的舌头不堵塞呼吸道。

The aim of this made-up game was to keep a shuttle in the air by hitting it to each other over the string.

他们原意是想让站在绳两边的人互相把球打给对方，并尽量使球不落在地上。

Fill a clean, dry and accurately weighed pycnometer with the substance being examined (keep the temperature below 20°C or that specified under individual monograph), fix the thermometer (no air bubble is left in the pycnometer). Place the pycnometer in a water bath maintained at 20°C or the specified temperature, allow to stand in the water bath for several minutes, so as to raise the temperature of the content to 20°C or to the temperature specified in the monograph.

取洁净、干燥并精密称定重量的比重瓶，装满供试品（温度应低于20°C或各品种项下规定的温度）后，装上温度计，置20°C（或各品种项下规定的温度）的水浴中放置若干分钟，使内容物的温度达到20°C（或各品种项下规定的温度），用滤纸除去溢出侧管的液体立即盖上罩。

It can keep track of the best and average hang time as well as the total accumulated time in the air.

它可以记录的最佳和平均坑的时间，以及总累积时间，在空气中。

The Commission recommends that these data be tabulated and combined with existing data in a national IFAP data clearinghouse that will enable agencies to keep track of air, water, and land emissions from IFAP facilities and evaluate the public health implications of these emissions.

委员会认为，这些搜集而来的资料应立即建档，并与全国工业畜产的资讯交流中心整合，以利於当局持续追踪工业农场设施的废弃物排放，并就此评估对公共卫生的冲击。

I try to keep that temperature between 230-240F by adjusting the air intake vent at the bottom of the smoker.

我试着保持温度之间的230 240f通过调整进气发泄在底部的吸烟者。

A large range of IRZ and intense fluctuating velocity area around the boundary of IRZ is measured and thought to be important to keep the excellent ignition and combustion characters of the new kind swirl burner. Together with temperature trace method, different structure and operation parameter of the burner are studied in this paper about their effects on turbulent and mixing characters of swirling jet. The structure variation includes different blade angle, use of central gear shape baffle, variable outer length and angle of lean primary air outlet, use of wedge outlet of lean primary air.

采用上述两种测量方法并结合热质比拟温度示踪的方法，本文对径向浓淡旋流煤粉燃烧器喷口结构和气流流动参数的变化对旋流流场的流动、混合、湍流脉动特性的影响进行了深入研究，研究了旋流叶片倾角大小、中心齿型扩锥、淡一次风扩口外伸长度和扩角的变化、淡一次风楔形扩口、直流二次风扩口角度的变化对出口旋转射流流动特性的影响，研究了一次风率和旋流二次风率运行参数变化的影响规律。

It is capable of air-breathing, thanks to an auxiliary respiratory organ, and can withstand very poor water conditions, making it an easy fish to keep in the aquarium.

它有空气呼吸的能力，因为有能辅助呼吸的器官，并能承受恶劣水环境，使它成为一个容易生活在在水族馆的鱼。

Right you are, but you should keep it in an air-conditioned room .

行，但你要把它放在空调房里。

Right you be, but you shall keep it in an air-conditioned room .

行，但你要把它放在空调房里。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。