| 1. | Preventive control includes all measures taken to prevent the introduction and spread of weeds .
预防性控制包括所有阻止杂草侵入和蔓延的措施。 |
| 2. | Finally , a method that can accomplish the generation rescheduling preventive control is presented
( 4 )提出了一种利用临界切除时间来实施发电机出力预防控制的方法。 |
| 3. | If it is used for preventive control , repeated application at a 7 - day interval is recommended in most situations
若把bti是用作预防幼虫滋生，在大多数情况之下，每隔七日便需要施放一次。 |
| 4. | The system introduces the preventive control that executes the emendation before the voltage violations , and it can increase the voltage security margin
另外系统还引入预防控制，在电压未越限时提前进行校正，提高了电压的稳定裕度。 |
| 5. | Compared with other traditional calculative methods , the method in this thesis is simple , has fast calculation speed and can satisfy the need of on - line preventive control
与以往的计算方法相比，该法简单实用，计算速度快，能满足在线预防控制的需要。 |
| 6. | Thirdly , the contingency screening is classified as security and insecurity ; only the insecure contingency needs detailed analysis and corresponding preventive control measures
( 3 )针对目前事故筛选是通常将事故简单地分为稳定或不稳定，只有不稳定的事故才需要进一步详细地分析并采取相应的预防控制措施。 |
| 7. | This dissertation was working for forming a methodology about the advancing analysis of the steady - state voltage stability of power system and the preventive control measures against it , based on the load power forecast technique
本论文致力于研究基于负荷预测技术的电力系统静态电压稳定的预测分析与预防控制方法。 |
| 8. | Thorough study has been done to solve the problems . a fast cct calculative method was suggested which could satisfy the precision need , the method was applied in the preventive control of the generator outputs
本文正是着眼于上述问题，进行了大量的研究工作，提出了一种快速的能满足精度要求的临界切除时间的计算方法，并将该方法应用于发电机出力的预防控制之中。 |
| 9. | Derived from the concept and character of the voltage collapse boundary surface , the discussion on the principles of the advancing analysis and the preventive control of the steady - state voltage stability of power system in this dissertation is illustrative , scientifical and precise
从电压崩溃边界曲面的概念与性质出发，论文提出了静态电压稳定的预测分析与预防控制新原理。 |
| 10. | Forming the strategy of control against the voltage instability would relays on the principles of the preventive control and the informations obtained from the advancing analysis program . so that , these measures against occurs of the voltage instability had more objective and more effective effect
防止系统发生静态失稳的预防控制策略将依据预防控制的原理和稳定性预测分析得到的相关信息，从而使得这些控制措施有的放矢，对防止系统失稳起到事半功倍的作用。 |
