(1月26日发射升空的陆地探测一号01组A星在轨成功成像，载荷实现多项技术突破。)

The need for quality, high precision timing devices is increasing daily. The heart of all communications is linked directly to a stable and dependable source of frequency control. Computer networks, data switching and transmission systems, the Global Positioning System (GPS), test instrumentation, and wireless and RF communications systems all rely on precise frequency control at some point in the system.

我们对高质量、高精度计时设备的需求与日俱增，而所有通信的核心直接连接到稳定可靠的频率控制源—晶振。计算机网络、数据交换和传输系统、全球定位系统（ GPS ）、测试仪器、无线和射频通信系统都依赖于系统中某个点的精确频率控制。

In addition, with the requirements for precise frequency control come other concerns such as aging and phase noise. Today’s telecommunications networks must handle millions of data transmissions over great distances within congested systems. Signal degradation due to noise and propagation delay is of major concern to system designers，which is also becoming the goal of manufacturers for hi-quality quartz crystals and oscillators.

此外，伴随精确频率控制的要求，还有其它问题如晶振电气参数中的老化率和相位噪声。今天的5G网络必须高速处理来自远距离的海量数据。噪声和传播延迟引起的信号退化成为了系统设计者最为关心的问题，这也成为了晶振生产厂家研发及生产的大方向。