Using computer to calculate forest base area instead of drawing can raise efficiency and precision.
本文用计算器计算的方法代替作图，求算面积，可提高效率和精度。
The technology has the characteristic of fast speed, high efficiency and high precision.
此技术具有快速、高效、精度高的特点。
This machine has high productive efficiency, fine precision, simple and sensitive operation, wide usage.
本机生产效率高，精度好、操作灵敏简便，应用广泛。
The key to synchronization system is high efficiency and synchro-precision problem.
而同步驱动系统的关键是高效高同步精度问题。
The key to synchronization system is high efficiency and synchro-precision problem.
而同步驱动系统的关键是高效高同步精度问题。
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