封闭式问题 Closed Questions ; Closed-end Questions ; closed-form items
要答复三个关闭式问题 Competency Questions
半封闭式问题 partially close-ended question
开放式和封闭式问题 Open and closed questions
针对传统的机械闭式齿轮试验台存在的问题，设计了一种计算机控制液压加载系统。
Aiming at solving existing problems for the conventional mechanical close gear test platform, a computer controlled hydraulic loading system is designed.
通过最小化频域平方误差函数并揭示与设计问题有关的一些矩阵的性质，得到了滤波器系数的闭式解。
A closed-form solution for filter coefficients is obtained by minimizing the frequency-domain squared-error function and revealing some properties of the matrices related to the design problem.
为解决能源问题，开发可再生能源，利用闭式循环将地热系统和太阳能系统联合起来发电。
The utilization of closed loop, which generates power by combining the geothermal system with solar energy system, is feasible to solve energetic problem and to exploit renewable energy.
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