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The load through the mouth feedback to change the variable distribution of the oil pump plate angle in order to change the pump displacement.

采用恒功率变量泵控制方式，通过负载反馈使泵的压力、流量自动调节到最佳大小，使控制性能和节能效果大为提高。

For the car-seesaw system with multi-variable and nonlinear characteristic, a state feedback control approach is put forward.

针对具有多变量、非线性特性的小车跷跷板系统，提出了一种状态反馈控制方法。

Frontier Inspection Station in Wuhan, the strong help, support and cooperation with Hong Kong Dragon Airlines Hong Kong Dragon Airlines Wuhan Office at the annual airport 2007,2008 activity rating score, two wins "Best Chinese mainland customers feedback terminal of the Year" and "Chinese Mainland terminal flight punctuality rate of the best "award.

在武汉边检站的大力帮助、支持和配合下，港龙航空武汉办事处在港龙航空2007、2008年度机场成绩评比活动中，两夺"中国内地航站最佳顾客反馈奖"和"中国内地航站最佳航班准点率"大奖。

Backstepping design is a recursive procedure that combines the choice of a Lyapunov function with the design of feedback control.

反向设计是将Lyapunov函数的选取与控制的设计相结合的一种回归设计方法。

CPL MS25K high speed camera (100Hz) was used to two-dimensional cinematograph analysis at sagittal plane, an AMTI force plateform (1000Hz), and a TEDEA-HUNTLEIGH load cell (1000Hz) to collect the value of pulling-force by Biovision feedback system, when the subjects raised movement after sitting during Tug-of-War.

以一台CPL MS25K高速摄影机（100Hz）沿受试者矢状面进行2D拍摄，并以一块AMTI测力板（1000Hz）以及一台TEDEA-HUNTLEIGH电子式拉力计（1000Hz），透过Biovision多功能回馈系统，同步撷取生物力学参数。

1Niche construction can lead to stable coexistence of diverse genotypes in spatially structured population, which supports a stable polymorphism even without heterozygote superiority.(2)With habitat deterioration, niche construction accelerates the formation of steady polymorphism and hence impedes the harmful influences of environment on the population, which might embody a life-history strategy of organism under the unfavorable environment.(3)Niche construction results in the coexistence with alternative polymorphism through genotype-environment feedback and limited gene flow.(4)The niche-constructing organism is an active force to alter its environment and hence the direction of natural selection in order to better survival.(5)Spatial dynamics and distribution pattern of metapopulation are profoundly influenced by time-lagged niche construction.(6)Metapopulation size can reach a fixed level in the recency effect and equal weighting of time lag but is statistical stability in primacy effect, which implies the primacy effect is most remarkable.(7)The increment in the relative weightingof each generation\' niche construction and the length of time lag are significant factors for system destabilization.(8)Moderate capacity of positive niche construction benefits the metapopulation persistence.(9)The narrowing of niche breadth can decrease the metapopulation size and thereby increase the extinction risk.(10)The coupled function of time lag and niche construction make the system oscillation and generate the spiral wave, spiral-broken and circular wave in heterogeneous habitat.The spatial distributions of metapopulation and resource content are complementary due to a phase lag of their both frequencies.(12)Metapopulation persistence with niche construction depends not only on the balance between colonization and extinction, but also on the balance between the ability of niche construction and natural dissipation of habitat.(13)Metapopula-tion can survive under certain condition when the percent of suitable patches in habitat is lower than the ration of extinction to colonization.(14)Two thresholds exist in the process of transition of habitat quality dynamics from unsuitable to suitable, which include the intensity of niche construction and the initial condition of system.(15)Metapopulation size is positive correlated with the ability of positive niche construction, which means that organism or population who has strongly positive influences on their environment plays an important role to maintain the available habitat.

通过上述几个方面的研究，主要得出以下15条结论：(1)生态位构建可使空间结构种群，甚至是在没有杂合子优势的条件下，形成多种可能的稳定基因型分布模式；(2)随着环境的破坏与恶化，种群的生态位构建作用加速其较早形成稳定多态以阻碍环境对种群的不利影响，解释了有机体在不利环境下的一种生活史对策；(3)生态位构建作用通过基因型—环境反馈机制及有限的基因交流导致基因型多态的稳定共存；(4)有机体的生态位构建作用是一种积极的动力改变环境进而改变其自然选择的方向；(5)生态位构建的时滞作用对集合种群动态和空间分布产生深刻影响；(6)集合种群大小在时滞的崭新效应和等权重效应下达到一固定值，而在首位效应下达到统计稳定，表明首位效应的影响最显著；(7)首位效应下生态位构建相对权重的增量和时滞的长度是影响系统不稳定性动态的关键因素；(8)适中的生态位构建强度有利于集合种群的续存；(9)生态位宽度变窄会减少集合种群的数量从而增加其灭绝风险；(10)时滞和生态位构建的双重作用使系统产生周期振荡，并在异质性环境中产生稳定的螺旋波，破碎的螺旋波和环形波三种分布模式；(11)集合种群与资源含量的空间分布因为相滞而互补；(12)具有生态位构建的集合种群续存不仅取决于侵占率与灭绝率之间的平衡，而且依赖于生态位构建能力同其生境的自然消耗速率之间的妥协；(13)当生境中适合侵占的斑块比例小于其侵占率与灭绝率之比时，生态位构建作用促使集合种群在一定条件下续存：(14)生境斑块的状态从不适合到适合转变过程中存在生态位构建强度和系统初始条件这两个阈值；(15)集合种群的大小同正生态位构建能力正相关，意味着对环境具有较强正作用的有机体对维持有效生境起积极作用。

The problem of guaranteed cost control via memoryless state feedback is addressed for a class of interval singular systems with delayed state.

针对一类具有状态时滞的时滞区间广义系统，基于状态反馈研究了保性能控制问题。

The structure theorem is obtained by defining "ternary ordered partition method" which is used to choose the test-sets of the first $k$ tests, and by defining two operations and two relations on feedback sequences; The isomorphism classification theorem is strictly proved by virtue of the structure theorem, thus the complicated problem of discussing $3^k$ possible search domains is reduced to the relatively easy problem on $k+1$ representative search domains; By the techniques of "super-coin construction method" and "image-union method", the search problem on $k+1$ representative search domains is reduced to the simple verification of several conditions on finite space of small cardinality.

通过引入用于选取前$k$次试验的试验集的"三元有序剖分法"以及关于反馈序列的两种运算和两种关系，得到了结构定理；基于结构定理严格地证明了同构类定理，从而将必须针对$3^k$个搜索域的复杂问题转变为讨论$k+1$个具代表性的搜索域的相对简单的问题；通过"构造超币法"和"并像法"等技术手段，将关于$k+1$个具代表性的搜索域的搜索问题转化为简单的关于势非常小的有限空间的几个条件的验证问题。

The discourse analysis theory and one-to-one dialogue are kept inanalyzing the application of the rhetorical question to the discourse, for example, its place, type, coherence, condition, choice model, feedback, reduction and clear-up.

本文运用会话分析理论，以两人对话式话语为对象详细分析了反问句在话语进程中的作用，主要包括：反问句在话语中出现的位置；对话中反问句出现的类型：反问句的话轮衔接功能；反问句作为应对句的话语制约机制；对话中反问句的选择模式；对话中反问句如何作为馈语出现；对话中反问句话语功能的弱化现象；对话中反问句的应对语是如何对反诘意味进行消解的。

Through analysis we get such a description of feedback constraint closed loop curve for this kind of constraint property.

通过分析得出了描述这种约束特性的反馈约束回线。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。