Though I've found it difficult to maintain the precise system for long, I use elements of it all the time.

虽然我觉得要长期精确的坚持下去有些困难，但始终采用其中的一些原理。

youdao

It is difficult to get a precise system model as the material will elongate, so it is suit to choose PID control in tension control.

张力控制由于材料存在拉伸变形，要得到系统的精确模型比较困难，适合采用PID控制方法。

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In west commercial bank the theory of interest rate risk management generated precise system based on accumulation during decade years.

西方商业银行的利率风险管理理论，经过几十年的积累，形成了较为严谨的体系。

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Rather than highlighting the potential of such an precise tracking system as Move, a Tiger Woods game demoed at the conference only showed that real golf is difficult.

FORBES: Sony's PlayStation Move Gets Priced And Ready To Launch

In the fall of that year, 1982, the company demonstrated a revolutionary-looking operating system (to be precise, it was an overlay to Microsofts original operating system, DOS) called VisiOn, which used a mouse and sported nifty little graphics called icons.

FORBES: Net gains

In 2003, Skyhook pioneered the development of the Wi-Fi Positioning System to provide precise and reliable location results in urban areas.

ENGADGET: Motorola gives Google the boot, turns to Skyhook for location services