查询词典 air balloon

The hot-air balloon took off. It was as buoyant in the air as a rose leaf in water.

根据&就像水中的玫瑰叶&这样的比喻可知，buoyant是&飘浮的&之意。

The hot-air balloon took off. It was as buoyant in the air as a leaf in water.

把热气球升在空中比作叶子在水中，可猜出 buoyant 是&漂浮&的意思。

The hot-air balloon took off. It was as buoyant in the air as a rose leaf in water.

根据&就像水中的玫瑰叶&如许的比喻可知，buoyant是&飘浮的&之意。

The hot-air balloon took off, It was as buoyant in the air as a cork in water.

句子中说热气球象软木在水中漂着一样在空中。buoyant指的是飘动着。

According to evaluation of the thermal, hydraulic, environmental and mechanic characteristics and energy performance of building and VAV air-conditioning system, and evaluation of the control performance of local control loops using the simulator of VAV system, this paper presents five on-line supervisory control strategies for local control loops: on-line optimization of VAV supply air static pressure set-point, on-line optimization of AHU supply air temperature set-point, on-line optimization of on/off set of CAV sub-system, on-line optimization of outdoor air set-point and on-line optimization of chilled water secondary pump pressure set-point.

通过数字仿真器对建筑物及其变风量空调系统的热力、动力、环境和能耗等运行特性的模拟，以及对系统常规采用的下位机控制回路可控性和稳定性等控制特性的研究和分析，本文先从局部的角度开展了系统局部优化的研究。提出并在仿真器上分别实施了VAV送风静压设定的实时优化，AHU送风温度设定的实时优化，CAV子系统开／停的实时优化，新风量设定的实时优化以及二级泵冷媒水供水压差设定的实时优化。

Air Doctrines govern the organization of the countries Air Force and is split at first into two major sections: an Army-directed Air Arm and an Independent Air Arm.

空军学说掌控着国家空军力量的组织度，首先它被分成两个主要部分：陆军指挥的空军武装和独立的空军武装。

The monitoring and control system of air blower real-time detect parameters of power supply, control system, air blower, air pressure under mine. The monitoring and control system ensures the air blower working safely, and improves the management level. It is significant to the safety and management of mine.

煤矿风机工作状态监控系统对风机的供电系统、控制系统、风机、井下参数等进行实时检测，实现对煤矿风机工作状态的监督与控制，对保证风机的安全工作，提高煤矿的安全管理水平具有重要的现实意义。

In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor.

在一个体现，传感器包括一个或更多的是冷凝器的空气温度输入传感器，空调冷凝器温度传感器的输出和冷凝器的空气流量传感器，蒸发器的空气湿度传感器。

By simplifying air spring mechanics model, We analyze the damping characteristics for air spring suspension system of single degree of freedom, then educe optimal damp of air spring suspension with throttle hole under various situation and optimal diameter of throttle hole. The capability opinion guideline of air spring suspension system is analyzed.

通过简化空气弹簧的力学模型，对单自由度有阻尼空气弹簧悬架系统的阻尼特性分析，得出带有节流孔的空气弹簧在各种工况下的最佳阻尼及节流孔的最佳直径，并分析了空气弹簧悬架系统的性能评价指标。

In this paper effect of air temperature, air flow rate, air duct size and distance between air ducts on the performance of mixed flow grain dryer were analyzed And discussed.

分析和讨论了空气温度、流速、风道中的风道尺寸对混流谷物干燥机的影响。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？