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- acoustic test box 声测试盒(测助听器用)
- Hearing protectors - Testing - Part 2: acoustic test methods. 听力保护器。试验。第2部分:声学试验方法。
- A method of predicting the flight outer sound field according to flight accelerate auto-power spectrum by means of reverberant acoustic test,and an example,are given. 给出了一种用遥测数据通过混响室噪声试验识别飞行外声场的方法,并提供了一个实例。
- All spaces around the luminaire and between it and the sides of the test box shall be filled with the thermal insulation described in Clause 16.16. 灯具应当装在一个如第16.;15条所规定的测试盒中，摆放方式应能使灯具达到其最高的工作温度，这其中要考虑到在灯具的更换微调装置，灯座高度调整等因素。
- An air-enthalpy test box and an heat pump performance test system were used to evaluate the heat transfer performance of a R410A fin-and-tube evaporator under frosting condition. 摘要在焓差实验装置和热泵性能测试系统中，对一台R410A空气源热泵的翅片管式蒸发器在结霜工况下的换热特性进行了试验研究。
- In addition, the company possesses the complete check-out facility: two dimension phantom measuring instrument, Rockwell hardness tester, HV, salt-fog test box and torsion tester. 检测设备有二次元影像测量仪、洛氏、维氏硬度计、盐雾试验箱及扭力测试仪等。
- There were two kinds of soil used in this study, lateritic soil and yellow soil, and were collected from northern Taiwan.The soil was remolded in a test box. 冲蚀试验采用台湾北部地区的红壤及黄壤土，重模于冲蚀试验箱，并分别利用天然卵石及人造水泥圆球铺放在土壤表面模拟石块覆盖。
- The GPS IIF team completed a series of acoustic tests that replicate the noise levels expected during the spacecraft's launch into orbit. GPS IIF团队完成了一系列声音测试，复制了太空船进入轨道预计将产生的噪音水平。
- Method of acoustic test of horns for motor cycles 摩托车喇叭音量的试验方法
- underwater acoustic test facilities 水声测试设施
- High power facility or triphase facility can be ordered together with transferring testing box. 大功率设备或三相设备可定制转换测试箱。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- Methods:Different dosages muscalure singularity and muscalure mixed with refined sugar in various test boxes to lure and kill different aged house flies. 方法:将家蝇信息素制作成含不同剂量的单方试样和与白糖配制的复合试样,在实验箱内分别对不同日龄的家蝇进行引诱试验;
- EGG and acoustic test for the diagnosis of laryngeal diseases 电声门图与声学测试技术在病理性嗓音诊断中的运用
- Electromagnetic acoustic testing 电磁超声
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- Opened the show with an acoustic set. 不用电子乐器开始演出
- It will be wise to go over your test paper again. 还是把您的考卷再检查一遍的好。
- A Study on Intelligent Flux Testing Box Using AVR 基于AVR的智能流量监测盒的研究
