They're actively and deliberately navigating within some sort of external reference frame.
它们积极地并且有意识的在一些外部参考框架进行了导航。
The criteria for judging advisability of reference frame obtained with the two methods are given.
对这两种方法所采用的参考框架的合理性给出了判别准则。
This price advantage is often based on the same lot as the reference frame of a new house prices.
这种价格优势往往是基于同样的地段作为参考框架的一个新的房价。
Remanent magnetism of soil layer is taken as a reference frame for locating hydrocarbon seepage zone.
本文利用土壤剩余磁性作为确定烃类渗漏带的参考系。
The answer is no, because it's impossible to be sure that your reference frame is without any accelerations.
答案是否定的，因为我们不能将其确定下来,我们选用的参考系是否有加速度存在。
The loop buffer in this paper can achieve the management of reference frame list correctly and efficiently.
本文设计了一种循环缓冲区，能够正确而有效的实现对参考帧队列的管理和维护。
Conclusions: To confirm the internal fixation point, the author build the reference frame by the costal fovea.
结论：以肋凹作为参照物，建立坐标系，确定进针点的位置，不仅可用于术前估计。
The vector control mathematical model of linear induction motor is established under the synchronization reference frame.
在同步旋转坐标系下，建立了直线感应电动机的矢量控制数学模型。
The reference frame is a past frame from which to grab pixels from and the motion vectors index an offset into that frame.
参考帧是过去的某个帧，可以从中提取某些像素，以及运动矢量偏移索引。
The observer detects the rotor flux components in the two-phase stationary reference frame by the motor electrical equations.
该观测器通过电动机电方程序来检测两相静止参考坐标中的转子磁通分量。
Plett's model, though not yet perfect, provides a useful reference frame for a brief survey of the phonological figures in Ulysses.
普利特的语音修辞模式虽说不够完善，但亦为我们提供了一个有益的参照框架。
Two events that occur at the same moment if observed from one reference frame may occur at different moments if viewed from another.
从某个参考坐标系来看，同时发生的两个事件，对于另一坐标系而言，可能就发生于不同的时刻。
When talking about the mechanical problems to the earth, the earth can be seen as a part of the system as well as a reference frame.
在涉及地球的力学问题中，地球既可以是系统的组成部分，又能作为参照系。
The coordinate reference datum on which precision GPS survey is based, is ITRF International Terrestrial reference Frame that IERS offers.
高精度GPS测量所依据的坐标参考基准，是由IERS所提供的ITRF国际地球参考框架。
The checked results make clear the gas emission predicting method is feasible and can provide reference frame for gas disaster prediction.
检验成果表明用该方法对煤层瓦斯涌出量进行预测是可行的，可为矿井瓦斯灾害预测提供参考依据。
Language standardization should adopt the compound reference frame which includes double references: geographical dialects and social dialects.
语言规范应当采用地域方言和社会方言的双重参照，从而形成复合参照系。
An adaptive deadbeat control method in stationary reference frame for distribution level static synchronous compensator (D-STATCOM) is proposed.
提出一种静止坐标系下配电网静止同步补偿器(D - STATCOM)的自适应无差拍控制方法。
UNISIGHT is used to get the original value of coordinates in the MPR phase. The value of the reference frame is gotten by mathematic calculating.
用Unisight软件在MPR相下获得各点原始三维坐标值，通过数学计算得到各测量点在测量三维坐标系下的坐标值。
When we specify the position of an object, we cannot do so in absolute terms; we must always do so within the context of a specific reference frame.
我们知道不能用绝对坐标来描述物体的位置，要描述物体的位置，必须把物体放置于特定的参考系中。
Whether you stay in your reference frame or in the reference frame of the center of mass, it's immediately obvious that all the kinetic energy is lost.
无论你在对照系中，还是在质量重心体系，很显然，所有的动能都被损耗了。
Introduce the reference frame and time system used in orbit design particularly. Analyzed the orbit characteristic of two-body problem and launch window.
详细介绍了用于轨道设计的坐标系统和时间系统，分析了二体轨道特性和发射窗口的基本特性。
Objective: to realize health status of homemaking service workers in Foshan, and provide reference frame for ruling sanitary control to homemaking service.
目的：了解佛山市家政从业人员卫生状况，为规范家政服务行业的卫生管理提供参考依据。
This paper proposes a cascaded nonlinear PI controller for three-phase voltage source PWM rectifier, which is based on its model in synchronous reference frame.
该文以同步旋转坐标系模型为基础，设计了三相电压型PWM整流器的级联式非线性PI控制器。
This paper proposes a cascaded nonlinear PI controller for three-phase voltage source PWM rectifier, which is based on its model in synchronous reference frame.
该文以同步旋转坐标系模型为基础，设计了三相电压型PWM整流器的级联式非线性PI控制器。
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