Governments do so because of the ntsb experience and expertise , which is recognized the world over .
这样做是因为美国国家交通安全委员会拥有这方面经验和技术,这一点已得到了全世界的公认。
Sleep apnea has been found to be a factor in incidents involving every transportation mode , ntsb chairman deborah hersman said in the letters .
国家运输安全委员会主席赫斯曼在函中说,睡眠呼吸暂停已发现是涉及每一种运输方式的意外的一个因素。
The ntsb investigates transport accidents in the us , while the faa sets safety rules and standards and certifies new designs as safe .
ntsb调查在美国发生的交通事故,而faa则制定安全规则与标准,并对新设计方案提供安全认证。
Both the engine pylon design and airline maintenance procedures were faulted by ntsb investigators , and all dc-10s were temporarily grounded .
ntsb调查者认为飞机的电缆塔设计和飞机保养过程都有缺陷,所有dc-10都暂时停飞。
Ntsb , national transportation safety board .
比如飞机失事后,美国国家运输安全委员会。
The ntsb has long pushed the federal aviation administration to make this change which allows infants under 2 to fly free .
国家安全运输委员会一直在推动联邦航空局允许两岁以下幼儿能够免费乘飞机。
This experiment has provided evidence for further perfectness of the cultivation technology in paddy field with ntsb .
试验为水稻免耕抛秧栽培技术配套措施的进一步完善提供科学依据。
How do we know that he isn 't somehow the one responsible for doctoring the ntsb report ?
我们怎么知道是不是他篡改了那份报告的呢?
From these sounds engine revs per minute , system failures , speed and the time at which certain events occurred could often be determined , the ntsb said .