换句话说，作为合并候选对象的页面(在一段时间内没有变化)存储在这个不稳定树中。
In other words, pages that are candidates for merging (unchanged for some period of time) are stored in the unstable tree.
设计了一种多极混合自适应控制器，解决了高阶复杂被控对象在以往的自适应控制中出现的不稳定问题。
A many grades hybrid adaptive controller is designed, the problem that high step and complicate controlled object is unstable in tradition adaptive control system is solved.
针对锅炉这种具有非线性、参数不稳定、难以建立精确数学模型的控制对象，采用传统的PID控制，效果不佳。
Aim at the controlled object -boiler has nonlinear, parameters instability, and uneasy to establish mathematic model properties, so use the traditional PID control, the control effect is not good.
包含非自衡对象的过程，是不稳定过程中的一种特殊情况。
Integrator and dead time process is a special case of unstable systems.
它即可用于参数和时滞未知的或慢时变的受控对象，又可用于逆不稳定过程，并能消除控制器的振铃现象，应用范围大为拓广。
It can be applied not only to plants with unknown or show time-varying parameters and delays, but also to unstable inverse processes.
针对锅炉这种具有非线性、参数不稳定、难以建立精确数学模型的控制对象，采用传统的PID控制，效果不佳。
Aiming at the nonlinear object of boiler with instability parameter and difficult building math model, using traditional PID controller can't reach the best effect.
不要使用不稳定变量。锁定对象或域，而不是去保证决定性和线程安全访问。
Do not use volatile variables. Lock your object or fields instead to guarantee deterministic and thread-safe Access.
本发明的另一个对象是提供了一种激光屏幕有一个相当大的横截面积，检验速度的飞行轨迹具有不稳定体。
A further object of the present invention is to provide a laser screen which can determine the velocity of projectiles made of non-ferrous as well as ferrous materials.
方法：选择不稳定型心绞痛（UAP）、稳定型心绞痛（SAP）各30例及正常健康者2 0例作研究对象。
Method:Blood samples were collected from 30 UAP patients, 30 stable angina pectoris (SAP) patients and 20 health controls.
结果（1）我们将所有统计对象分为四种个性类型（其中包括中间型）：外向不稳定型11名占47.83%；
Results All subjects were divided into four kinds of individuality types (including middle type): 11 cases of extroverted instability mode which accounted for 47.83%;
结果（1）我们将所有统计对象分为四种个性类型（其中包括中间型）：外向不稳定型11名占47.83%；
Results All subjects were divided into four kinds of individuality types (including middle type): 11 cases of extroverted instability mode which accounted for 47.83%;
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