片语

jet aircraft noise喷气发动机噪声

aircraft noise exposure飞机噪音影响

aircraft noise certification航空器噪声审定

aircraft engine noise facility航空发动机噪音研究设备

aircraft-community noise航空社区噪音

aircraft equivalent noise level飞机等效声级

military aircraft noise军用飞机噪声

aircraft cabin noise飞机舱内噪声

non-aircraft community noise非航空社区噪音

英汉例句

• Although the number of residents affected by aircraft noise has decreased sharply over the past two decades, as planes have become quieter, it still affects over 200,000 people (see chart).

  在过去的二十年里，飞机飞行逐渐变得安静，受机场噪音干扰的居民人数虽已急剧减少，但仍有20万居民受其影响(见表)。

• Therefore, the use of aircraft noise in the production of small, vibration-free.

  所以该机在生产过程中噪音小、无振动。

• The measurements of aircraft noise around several airports and survey on reactions of people to aircraft noise were taken in 1984 and 1985.

  1984年和1985年在几个机场对飞机噪声进行了测量，并向居民就对飞机噪声反应进行了社会调查。

• According to the standard of aircraft noise environment around Airport (GB9660-88), LWECPN (Weighted Equivalent Continuous Perceived noise Level) is selected as noise metrics.

  根据《机场周围飞机噪声环境标準(GB9660- 88)》，以计权等效连续感觉噪声级LWECPN作为机场噪声评价量。

• This new system unifies the evaluation of aircraft noise and other environment noise effectively, and adds a new evaluation index single-event noise exposure level.

  飞机噪声的共性决定其评价体系应于环境噪声评价体系统一，而飞机噪声的个性决定其评价方法必须有别于一般环境噪声评价。

• The paper put forward the aircraft noise inside airfield evaluation method based on double indexes according to the character of military aircraft noise.

  根据飞机噪声影响的特点，提出了一种基于双指标的机场内部飞机噪声评价方法。

• Sound-level meter by its simple, convenient, the cost is low, the precision higher a series of merits, become one of aircraft noise measurement aspect main metering equipment.

  声级计以其简单，方便，成本低，精度高等一系列优点，成为航空器噪音测量方面主要的测量仪器之一。

• According to the requirement of aircraft noise certification of CCAR and the foundation of aircraft prediction, a program system for aircraft noise prediction (ANPS) has been developed.

  根据中国民航规章中有关飞机适航噪声审定的要求和噪声预测原理建立了飞机噪声预测系统软件。

• The surrounding areas around the airport is impacted by the aircraft noise (take off, landing and low-altitude overflight), but not applicable to this Standard.

  机场周围区域受飞机通过(起飞、降落、低空飞越)噪声的影响，不适用于本标準。

• A boundary element model is established, making use of the ANSYS. In the noise simulation SYSNOISE is applied to get estimable simulation results of aircraft noise close to ground.

  建立了某型军用飞机的ANSYS边界元模型，用声学有限元-边界元仿真软件SYSNOISE进行了噪声仿真，获得了飞机噪声在地面附近的辐射结果。

• As the civil aviation industry developing, aircraft noise pollution is getting more and more serious environment problem.

  随着航空业的发展，航空噪声污染已经成为日益严重的环境问题。