研究了具有反馈控制与第二类功能性反应函数的周期捕食-食饵模型。
Predatorprey model with feedback control and type II functional response function is investigated.
例如 Shor的算法能在多项式时间内找到一个N位函数的周期。
Shor's algorithm, for example, is able to find the period of a function of N bits in polynomial time.
周期函数的周期性是中学数学中的教学内容，掌握了函数的周期性，对函数性质的研究会带来不少方便。
This paper is intended to make a systematic study of periodic functions and to popularize them in teaching and learning.
本文讨论了无最小周期的周期函数性质，论证了无最小周期的周期函数的处处不连续性以及这种周期函数的周期构成的集合的稠密性。
In this paper, some properties of the periodic functions without minimum period are shown, the main results are: the functions are discontinuous everywhere and the set of periods is dense.
此回调函数在Ajax请求的整个生命周期进行了多次调用，而请求的当前状态可从readyState属性获得。
This callback function is invoked several times during the life cycle of the Ajax request whose current state can be obtained from the readyState property.
产品领域：此功能与“产品工厂”函数相关，重点关注用于支持产品创建和生命周期管理的操作产品目录。
Product domain: This functionality is associated with "product factory" functions and focuses on implementation of an operational product catalog to support product creation and lifecycle management.
全球化发生在JSF请求流程生命周期中的某些时刻，然而可以很容易地说明用函数来中止任务后将要发生什么。
Globalization happens at several points in the request-processing lifecycle of JSF, but it is easiest to explain what goes on by breaking the task down by function.
只要有可能，应该避免创建对象，防止调用构造函数带来的相关性能成本，以及在对象结束其生命周期时进行垃圾收集所带来的成本。
Whenever possible, avoid creating objects to prevent associated performance costs of calling the constructor, and subsequent cost of GC when an object reaches the end of its lifecycle.
如果太用力了，胡克定律就不成立了-，你会让它永远毁坏-，当然，周期会成为，张力的函数，这里也是一样的。
If you go too far, that Hooke's — Law no longer holds — — that you deform it permanently — then, of course, the period will become a function of the extension, and the same is true here.
此程序调用了 ncpu，其中包含函数“engine()”，此函数耗尽了CPU上的 CPU时钟周期。
The program called ncpu has a function "engine()" which uses up CPU cycles on the CPU.
此构造函数让您能够指定优先级、内存大小、线程周期和表示要运行的线程的类(扩展periodicthread的类)。
This constructor lets you specify the priority, memory sizes, and period for a thread, along with the class that represents the thread to be run (a class that extends PeriodicThread).
假如开发者忘记调用XyzRelease函数，那时资源就会泄露，因为编译器不能跟踪一个对象实例的生命周期。
If the developer forgets to call XyzRelease, then resources are leaked because the compiler doesn't help to track the lifetime of an object instance.
本文建立确定非线性动力系统的周期的新方法——后继函数法。
Successive function method is presented to determine the period of stable non linear dynamic system.
更好的模型可能是使用以1天和1年为周期的正弦和余弦函数。
A better model might be to use sine and cosine functions with a periods of 1 day and 1 year. This we can do by changing the formula to.
该方法通过实时检测三相交流输出电流方向得到方向函数，利用该函数选择一个PWM周期内不同电压矢量作用时间来控制中点电流的方向，实现电压平衡。
By getting the direction function from the output AC current, the applied time of voltage vectors in one PWM period was chosen, the direction of central current was controlled for DC voltage balance.
函数的生命周期分为创建和激活阶段(调用的时候)。下面我们详细的讨论它。
Function life cycle is divided into a stage of creation and a stage of activation (call). Let's consider them in detail.
当声波是空间位置和时间的周期函数时，平面波误差项永远是一负偏差项。
The plane wave error is always negative windage, when the sound wave is the cycle function of space and time.
研究了周期函数及其最小正周期的若干问题。
传统的脉冲式医用超声成像系统的模糊函数由于存在周期性的速度模糊和距离模糊，影响了图像的质量和分辨力。
In traditional pulse medical ultrasonic imaging system, the ambiguity function has periodic distance ambiguity and velocity ambiguity, this affects the image quality and resolution.
所考虑的非线性扰动力矩是角位置的周期函数，这在实践中是很常见的。
The disturbance torque dealt with is assumed to be periodic in position, which is very common in practice.
在一个固定资产基本稳定的客车生产企业，其日产量与制作周期有一个对应的函数关系。
There is a function between the day output and manufacturing period in a bus company of which permanent assets are basically stable.
结果显示：涡管流函数是时间的周期函数，并被表征为一系列在涡核内均匀分布螺旋涡丝流函数的叠加。
The result showed that the stream function of vortex tube was expressed as the superposition of the stream functions of vortex filament within the vortex core.
一股的方程我们已经能够解决相关的概周期函数类型解的存在性和唯一性。
We have solved the existence and the uniqueness of almost periodic type solutions of ordinary equations.
给出了一个利用福里哀系数求非常值的连续周期函数的最小正周期的有效方法。
A useful method is given which can count the least positive period of a continuous function by Fourier coefficients.
在实际运动中，马达不断进行着自身构象变化并催化AT P水解，微管产生的势场也不仅仅是一个简单的周期势函数。
In kinesin's actual movement, it continuously changes its conformation to catalyze ATP's hydrolysis. The role of microtubule is not a simple periodic potential.
对系数是概周期函数的传染病s IS模型进行了研究，得到了概周期解存在惟一的一个充分条件。
An epidemic SIS model whose coefficient is almost periodic functions is studied. A sufficient condition of existence and uniqueness of positive periodic solution is obtained.
结果表明，动态自回归模型时变参数（时变系数）的变化是有规律的，其增量大体上是一些简单周期函数的叠加。
The results showed that the change of time-varying parameters (coefficient) in dynamic AR model has a regularity. Its increments are piled up by some simple period functions.
放卷过程中，纸卷的动态半径与时间之间的函数关系对确定纸卷的更换周期和纸的张紧力控制具有重要意义。
In the unwinding process the dynamic radius of the paper roll is important for deciding the periods to replace the paper roll and controlling the tension of the paper.
本文给出了周期函数的几个性质，并证明了连续的周期函数基本周期的存在性。
The article expounds the nature of periodic function and proves the existence of the base period of the continuous periodic function.
本文给出了周期函数的几个性质，并证明了连续的周期函数基本周期的存在性。
The article expounds the nature of periodic function and proves the existence of the base period of the continuous periodic function.
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