As the drillings in a specific survey zone usually are much fewer, it is very difficult to control the variation of reservoir spatially.
但由于工区内钻孔往往稀少，因此，在空间上很难控制油气藏的变化特征。
They applied a complete set of tools to reduce and control the variation in the poorly performing processes and greatly improved the effectiveness and efficiency of those processes.
他们应用一整套工具减少和控制效果差的过程，大大改善了这些过程的效果和效率。
Based on research of melting pool of dynamics, the article discussed the reason of melting variation, and pointed out the countermeasure for effective control the variation in production.
本文根据熔池动力学的研究成果分析产生这种熔深易变性的原因，指出了生产中有效控制这种易变性的对策。
In metallurgical industry and in machine building industry, any steel making process (converter or electric steel furnace) needs to control the variation in molten steel composition and temperature.
冶金和机器制造工业的炼钢(转炉、电炉)过程中，需要控制钢水温度的变化。
They found that the p53 gene makes not only the well-established p53 protein, but also an alternative "control switch" variation of the p53 protein - known as an isoform.
他们发现p53基因不仅产生大家熟知的p53蛋白质，同时还产生一种p53蛋白质变换“控制开关”的变种——对碘氧基苯甲醚。
To predict the subnational spatial variation in the number of people infected with Schistosoma haematobium in Burkina Faso, Mali and the Niger prior to national control programmes.
预测在开展国家控制项目之前布基纳法索、马里和尼日尔的埃及血吸虫感染患者中的国内分区空间变量。
After studying the law of variation for transient current, the author brings out the basic thought for its control.
通过讨论瞬时电流的变化规律，提出控制瞬时电流的基本思路。
Results indicate that a significant degree of control over the ride characteristics can be achieved in a wide range of load mass variation.
结果表明：在负载质量变化较大的范围内，能相当大程度地控制悬挂系统行驶特性。
The difficulty for analysing basin sedimentation is how to control the horizontal variation of continental strata.
如何控制陆相地层横向不稳定性，是盆地分析的难点。
Repetitive control is used to reduce voltage distortion under nonlinear loads and instantaneous feedback control is designed to quicken the dynamic response process under abrupt load variation.
系统利用重复控制抑制非线性负载下的电压畸变，利用瞬时值反馈控制加快负载突变时的动态响应过程。
Adopting the active control can meet the isolation demand high accuracy for tiny vibration induced by the gravitation variation between the sun and the earth.
目前对于太阳和地球引力变化引起的微振动，采用先进的主动控制能达到高精度的隔振要求。
The mechanical analysis and the trimming were performed for a novel near space aircraft which uses the variation in wind speed at high altitude to control its flight path.
对一种利用高空风的风速差控制飞行轨迹的新型低能耗临近空间飞行器，进行了力学分析与配平计算。
In the voltage correction the voltage variation of tie-line nodes is considered and is added into the traditional secondary voltage control as the feedback.
在电压校正中，考虑了区域联络线节点的电压变化，并以此作为反馈添加到传统的二级电压控制中。
When the variation of bus-bar voltage and frequency occurs, the reliability of electric motors, transformers, control and protection system is analyzed in this thesis.
当电网电压和频率的变化时，分析了电动机、变压器、控制及保护系统、照明系统、通信导航设备等受电器工作的可靠性。
METHODS We could find which variation was the significant variation by the analysis of variance so as to define the quantitative analysis and quality control.
方法通过对变异的分析，可以发现哪种变异是显著的变异，从而为质量分析和控制变异指明了方向。
The formation process, dynamic variation, deciduous causes of oxide film of work roll are analyzed, and the control methods have been put forward.
分析了氧化膜的形成过程、动态变化及脱落原因，并提出了控制方法和措施。
Direct torque control has been applied widely due to its simple arithmetic, quickly dynamic-response and well robust to the variation of parameter.
由于直接转矩控制具有算法简单、动态响应迅速、对参数变化鲁棒性强的特点，至今已经得到了广泛的应用。
Simulation results show that the system has better control performance and estimation effect, but the influence of parameters variation on speed estimation error is evident.
仿真结果表明该系统有较好的控制性能和辨识效果，但参数变化对速度辨识误差有明显的影响。
Test results have shown the accuracy of control, the flexibility of energy control and the broad adaptability to the variation of environment.
最后通过实验验证了系统的控制精度、能量控制的灵活性及对外界变化的广泛适应性。
It is pointed out, while expounding the principle of chopper speed variation, that the value of peak current can affect the service life of components and so it is necessary to control.
文章阐述了斩波调速原理，指出峰值电流的大小会影响元器件的寿命，所以有必要对瞬时电流的大小进行控制。
It is certain significance to assess the impact of water environment on railway tunnel, provide control measures of construction from the point of the variation of water quality.
分析和评价铁路隧道对水环境的影响，从而从水环境质量变化角度提出工程控制措施，对实际工程具有一定的指导意义。
It is experimentally proved that the control method is able to regulate the output capacity according to the temperature variation in the room.
实验结果表明该控制方法能够根据室内温度的变化而作出能力调节。
A new method of parameter compensation is also suggested to avoid the influence of rotor resistance variation on the accuracy of vector control.
为了克服电机参数变化对矢量控制准确性的影响，本文建议了一种新的参数变化补偿法。
Objective to analyse the variation tendency of hospital expense and benefit, inquire into the effective method to take control of the inappropriate medical expense over increment.
目的分析住院病种费用效益变动趋势，探讨控制医疗费用不合理过度增长的有效途径。
The direct torque control for permanent magnet synchronous motor is affected by the variation of stator resistance, and consequently the accuracy of speed adjusting system.
永磁同步电机直接转矩控制受定子电阻变化影响，进而影响调速系统的精度。
The cell delay variation (CDV) between the source traffic point and UPC control point has a significant impact on the resource allocation, CAC and UPC control in an ATM network.
源流量点和UPC控制点间的信元延迟变化（CDV）对ATM网络的资源分配、CAC和UPC控制都有着重要的影响。
The DVR with one-cycle control can offer better compensation while the voltage variation extent is less than 30% and can restrain harmonics in power source as well.
在电压变化范围不大于30%时有较好的补偿效果，并对电源谐波有一定的抑制作用。
The DVR with one-cycle control can offer better compensation while the voltage variation extent is less than 30% and can restrain harmonics in power source as well.
在电压变化范围不大于30%时有较好的补偿效果，并对电源谐波有一定的抑制作用。
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