用“TTR”造句大全，TTR造句

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

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。

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。