塔斯基认为，令人满意的真句子定义应该满足两个条件：(1)形式上正确：(2)实质上适当。
Tarski thought that a satisfactory definition of truth should satisfy two conditions: (1) it is formally correct; (2) it is materially adequate.
所得的解满足层间位移和应力的连续条件，计算精度令人满意。
The present solution can satisfy continuity conditions of interface stresses and displacements, and the calculation precision is satisfactory.
使用常规pid控制很难满足手指精确位置控制的要求，而采用依据BPNN原理设计成的常规单神经元pid控制器又因学习速率低，收敛速度慢，控制效果不能令人满意。
But if single neuron PID controller designed in terms of BPNN Theory is adopted, the control effect is not satisfactory because the learning rate and speed of convergence are slow.
使用常规pid控制很难满足手指精确位置控制的要求，而采用依据BPNN原理设计成的常规单神经元pid控制器又因学习速率低，收敛速度慢，控制效果不能令人满意。
But if single neuron PID controller designed in terms of BPNN Theory is adopted, the control effect is not satisfactory because the learning rate and speed of convergence are slow.
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