The Insurance Institute for Highway safety, a car-safety research group funded by insurers, announced its highest-rated cars and SUVs for 2010, having added a rollover roof-strength test this year.
由保险公司提供资金的安全研究小组“公路安全保险协会”(Insurance Institute for Highway Safety)公布了2010年评级最高的轿车和越野车，今年还增加了一项翻车时车顶强度试验。
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As we have the test flat roof, we can begin with the researching work of not only traffic engineering, but also action of driver and man-machine engineering.
The heat insulating and reflective film was approved to be a new building material especially suitable for wall and roof insulation by insulation test and actual project application.