道上车辆船舶和设备上用接收机保护的无线电干扰特性。限值和测量方法。有源天线规范。

Radio disturbance characteristics for the protection of receivers used on board vehicles, boats, and on devices - limits and methods of measurement - specifications for active antennas.

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道上车辆船舶和设备上用接收机保护的无线电干扰特性。限值和测量方法。有源天线规范。

Radio disturbance characteristics for the protection of receivers used on board vehicles, boats, and on devices - limits and methods of measurement - specification s for active antennas.

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用于测量人眼像差和视网膜成像质量的各种技术已经问世，然而至今还没有形成标准规范的眼像差测量方法。

Although there are many measurements methods of the eye′s aberration, the standard method of human eye aberration has not been published.

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