TTR造句

Comparison of TTR and CMV Promoters in vivo and in vitro via a Secreted Luciferase Reporter System

The NHTSA (National Highway Traffic Sefety Administration) has suggested the 'TTR' method as one means of regulating the roll stability properties of light trucks and utility vehicles.

顶部张紧立管（TTR）是用于连接运动的浮式生产设施和海床上的海底系统的管道，顶部张紧立管可用于钻井、完井及生产。

美国公路交通安全局建议‘TTR’法为规定用于轻型货车和轻型箱式越野车侧翻稳定*试验的一种方法。