With high-speed wind tests of scale models under way, the blended wing could take flight before 2020.

目前，等比例模型的高速风洞测试正在进行中，预计混合机翼能在2020年前起飞。

youdao

A natural way to think of it would be analogous to the saffir-simpson hurricane scale that is based on maximum sustained wind speed.

一种自然的思考方式是比照基于最高持续风力的萨菲尔—辛曾森飓风等级。

youdao

The flow field visualization of a straight HP turbine cascade is conducted in a large-scale low-speed open -loop cascade heat transfer wind tunnel.

在大尺寸低速开式叶栅传热风洞中对一种高压涡轮导向叶栅中的流场进行了流动显示实验研究。

youdao

Scientists use the Saffir-Simpson Hurricane Scale to measure the intensity of storms based on wind speed.

VOA: special.2010.08.24

Those teams will also be allowed unlimited out-of-season track testing, with no restrictions on the scale and speed of wind-tunnel testing.

BBC: F1 teams handed ?40m budget cap