It is possible that Kr and Ar could also act as Lewis bases, but evidently they cannot compete with HF.

很可能氪和氩也可以做路易斯碱，但显然它们不能和氟化氢竞争。

youdao

Future research ought to focus on obtaining a much better knowledge of genetics and HF, especially both genetic risk factors for development of HF and genetic markers as tools to guide prevention.

未来的研究主要集中于获得遗传学和心力衰竭的更多知识，特别是遗传学危险因素对心衰的进展和遗传学标记物作为心衰预防的工具的知识。

youdao

Selex communications will provide the Tetra mobile communications technology, as well as HF, satellite and microwave radio connections.

Selex通信公司将提供Tetra移动通信计划，以及HF、卫星和微波无线连接。

youdao

With the new Dual Recording feature, users won't need to choose between recording formats, as each VIXIA HF R-series camcorder can capture both simultaneously.

ENGADGET: Canon's latest VIXIA camcorders stream and share with your mobile device

These new mobile and live-streaming applications offer numerous benefits, such as using the VIXIA HF R42 or VIXIA HF R40 camcorder to record activities remotely, or setting the device to function as a baby monitor or security camera.

ENGADGET: Canon's latest VIXIA camcorders stream and share with your mobile device