查询词典 tread on air

There is no doubt that the mass of air still need to improved here.

无可否认，长期以来政府在控制人口增长方面所采取的措施是有效的。

The mass of air surrounding the Earth.

地球周围的大量的空气。

However, increase of heat transfer rate is less than that of air mass flow rate.

与预期相吻合，热传导率的大小取决于气流的制冷率。

We are the first manufacturer in China, Our range of Mass Air flow Sensor is the most comprehensive and available in China.

公司创建于1996，现拥有国内外先进的生产和检测设备，雄厚的专业科研队伍。

Rain occurs when a mass of warm air is laden with water.

一团云聚集大量的水蒸气就形成了雨。

The influence of air Relative Humidity and mass flow on dust generation rate was determined.

通过实验主要测定空气湿度和质量流量对粉尘产生率的影响。

Meteorology of or relating to the front of an advancing mass of air.

属于或关于前进气团表面的。

Model calculation and analysis of heat and mass transfer of air and water in a direct contact forward flow

性质：在程序控温条件下用质谱(飞行时间质谱或四极杆质谱)测量从物质中释放出的挥发性产物的性质和数量与温度的关系的一种技术。

The front of an advancing mass of colder air.

前进的气团为较为冷的空气形成的锋。

The front of an advancing mass of warmer air.

前进的气团为较为暖和的空气形成的锋。

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。