cross rate

When the radius or half of larger side is ten times larger than the free-space wavelength, attenuation rate is very low and hardly related to the shape of cross sections, and only related slightly to the area of cross section of tunnel.

当隧道半径或长边长的一半大于波长10倍以上时，电磁波的衰减率很小，几乎与横截面形状无关，仅仅与隧道横截面积的大小有微弱的关系。

The official unemployment rate will shortly cross 10 per cent.

官方失业率将很快突破10%.

According to the regulation, different grade medical establishment can cross the medical treatment such as cost of diagnosis and treatment of outpatient service of grade rate collection, operation expenses to serve expense in beginning cooperation to run medical service.

按照规定，不同等级医疗机构在开展协作办医中可跨等级收费标准收取门诊诊疗费、手术费等医疗服务费用。

Commodity, service, capital and technology cross the border rate of flow is more and more big.

商品 、 服务 、 资本和技术越过边界的流量越来越大.