The crux of prevention and control of jujube witches broom was to find out the leading factor of causing the disease in the light of local ecological environment and to take appropriate measures.
对于枣疯病的防治，关键是能够根据当地病害发生的生态条件，从中找出致病的主导因素，并有针对性地采取相应的防病措施，完全可以控制枣疯病害的发生和流行。
The TDPD is implemented by performing simple and non-feedback polarization control on the local light, and the original architecture of BOTDR is less changed.
系统实际上可基本不改变原系统体系，只对本振光施以无循环反馈的简单偏振控制。
The TDPD is implemented by performing simple and non-feedback polarization control on the local light, and the original architecture of BOTDR is less changed.
系统实际上可基本不改变原系统体系，只对本振光施以无循环反馈的简单偏振控制。
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