In our own solar system, Mars shows evidence of extreme climate change, the result, scientists believe, of a rotational tilt that flips between zero and 60 degrees over time.
在我们自己的太阳系，火星上极端变化的气候表明了是由于它的旋转倾角随时间在0到60度之间的变化而引起的。
He and his family have built a farm system of rotational grazing that is based on the biological patterns found in nature.
他和家人一起根据自然生态平衡建立起了牧草循环的农场体系。
The flap or slat drive system in the aircraft according to claim 1, wherein each said drive is a rotational drive comprising an actuating motor.
皮瓣或金属板驱动系统在飞机根据索赔1 ，其中每个驱动器说是一个旋转驱动器由一个驱动马达。
This system can complete the engine rotational speed and torque high accuracy control and the test, also engine temperature, pressure, oil consumption parameters survey.
本系统能够完成发动机的转速、转矩的高精度控制与测试，以及发动机温度、压力、油耗等指标参数的测量。
Small-scale fertilizer granulator is mainly composed by motor, making grains disc, gearbox, underbed, main shaft bearing, regulate device and rotational speed test system, etc.
小型肥料制粒机主要由电动机、制粒圆盘、变速箱、底架、主轴轴承、调节装置和转速测试系统等组成。
This paper presents a method with mixed spectra for analyzing rotational accuracy of spindles, making use of the modified periodogram test combined with dynamic data system modeling.
本文采用动态数据系统建模分析法与改进的周期图检验法相结合，对主轴回转精度进行混合谱分析。
This paper presents a new PCI arbitrating scheduling scheme to support premium service in the PCI system architecture, called Weighted Priority Rotational Algorithm.
文章介绍了在PCI系统结构中新的总线仲裁机制，提出了加权优先循环算法。
The motion characteristics of full developed rotational deceleration parachute of the system are studied in this paper.
该文对末敏弹系统全充满旋转减速伞的运动特性进行研究。
An experimental system for underwater welding identification of welding torch offset based on high speed rotational arc sensor was established.
搭建了基于高速旋转电弧传感器的水下焊接焊枪偏差识别的实验系统。
These equations most briefly demonstrate the relationship between rotational motion quantity of body and principal moment of force system.
这些方程最简明地给定了物体转动运动量与物体所受力系主矩之间的关系。
Basing on the signal space model, the harmonics in power system was detected by combining the subspace rotational invariance and least squares method.
该方法以信号空间模型为基础，结合子空间旋转不变性和最小二乘法实现了电力系统的谐波检测。
The modularize and open architecture make this system can he used to control rotational gamma knife for head by reducing several modules.
模块化设计结构，使得这种系统经过适当变换就可以适用于头部伽玛刀或其他医疗设备的控制。
The optical system moves in translation parallel to the rotational axis (22) to scan the sample.
光学系统在平行于转动轴方向(22)上平位移动以便扫描该样本。
Through changing the structural parameters of the principal axis system, we can obtain the effect of each parameter on the critical rotational speed.
并针对立轴系统各结构参数的改变，得到了分离机立轴系统各结构参数对其临界转速的影响。
This paper based on the eight coefficients of sliding bearing dynamic properties, get by calculated to forecasted lose rotational speeds and stability extent of rotor bearing system.
在已知滑动轴承动力特性的八个系数的基础上，通过计算来预报转子轴承系统失稳转速及稳定裕度。
The results also show that the performance of variable working condition of hybrid system can be improved by changing the rotational speed of gas turbine.
研究结果还表明，由于供给燃料发生变化而引起的燃气轮机转速的改变，有利于改善混合动力系统的变工况性能。
In order to consider the rotational effect of blades and determine the exact loads of the wind turbine system, wind field simulation based on the rotationally sampled spectrum was studied.
为考虑风力发电机组桨叶旋转效应，准确确定作用在桨叶风荷载，研究基于旋转样本谱进行风场模拟的问题。
The design method of DC motor driving power and rotational speed measuring system is introduced in this paper, and the corresponding electronic circuit and software flow are also given.
介绍了一种直流电机驱动电源和转速测量系统设计方法，并给出了相应的电子电路和软件流程。
The influence of parameter changes and coupling disturbances on control property was analyzed in the rotational speed control system of the servo loading test equipment with secondary regulation.
针对二次调节伺服加载试验台转速控制系统，分析了参数变化和耦合干扰对系统控制性能的影响。
By adjusting the rotational speed of motor, it can control the pressure of fire fighting watering system automatically with PLC.
采用可编程控制器调节电机转速实现消防供水系统压力的自动控制。
The optical fiber turbine flow sensor and detecting system, in which the rotational speed of the turbine is measured with optical technique, are presented.
介绍一种利用光学方法检测涡轮转速的光纤涡轮流量传感器及检测系统。
Through the test, we could conclude the rapeseed's distributing along the length of its rotor, the losses and the power wasting of this system in different cylinder rotational speed and cole feeding.
通过试验得出在不同的滚筒转速和油菜喂入量下油菜籽粒沿滚筒长度的分布、夹带损失和未脱尽损失及其系统的功耗。
A work bench improvement plan is proposed from the aspect of system rotational speed and torque sensitivity of the differential gear train.
进而从差动轮系转速、转矩灵敏度的角度提出了试验台的改进方案。
Measuring system and data processing system can deal with the hydrodynamic parameters to get the added mass and rotational parameters.
测力系统和数据处理系统将测得的流体动力进行处理，最终求得附加质量及旋转导数。
This paper introduces the main function of the instrument of rotational speed measure and alarm, the working scheme of the system, hardware design and software design.
本文介绍了回转机械转速测量报警仪的主要功能，系统的工作原理，硬件设计和软件设计。
While the load pressure fluctuation, the load torque fluctuation and the rotational speed fluctuation mainly affect the steady performance of the system.
负载压力波动、加载转矩和转速的波动，主要影响系统的稳态性能。
And measure result of servo system rotational speed is given in a convenient way.
给出伺服系统性能测试的方法和结果。
In hydraulic transmission system, turning moment and rotational speeds of pump impellers and turbines have to be kept steady in order for the normal operation of the system.
在液力传动系统中，泵轮和涡轮的转矩及转速应保持稳定才能使系统正常运行。
In hydraulic transmission system, turning moment and rotational speeds of pump impellers and turbines have to be kept steady in order for the normal operation of the system.
在液力传动系统中，泵轮和涡轮的转矩及转速应保持稳定才能使系统正常运行。
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