电荷泵锁相环具有易于集成、低功耗、低抖动、频率牵引范围大和静态相位误差小等优点，成为了当前数字锁相环产品的主流。
Because of the merit of integrated easily, low power, low jitter, small phase difference error and big capture scale, the CPPLL (Charge-pump PLL) has become one of the major digital PLL product.
在分析了以上几方面问题的基础上，对快速货运内燃机车的总体牵引性能，结构形式及运用范围作了探讨。
On the basis of analyzing the above-mentioned several issues, the overall traction performance, structural type and application range of fast freight diesel locomotives were investigated.
用于高速重型轨道机车，该液力传动箱为三循环园，具有宽广的高效率工作范围和强劲的牵引特性。
Being used in high-speed heavy railcar. This type of the Hydraulic Transmission Box has three circularities and higher efficiency in work scope. It is level separateness, and double outputs.
原因是感应探头的探测范围太小或者内部有积尘现象；门体太重，超出了主机的马达牵引力。
The reason is that the detection range of the probe is too small or there is dust inside the door, the door is too heavy, beyond the host motor traction.
原因是感应探头的探测范围太小或者内部有积尘现象；门体太重，超出了主机的马达牵引力。
The reason is that the detection range of the probe is too small or there is dust inside the door, the door is too heavy, beyond the host motor traction.
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