... 联合二次线性方程式：simultaneous linear equations in two unknowns 联变(分);连变(分)：joint variation 连续有序集：continuous ordered set ...
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目连变文 Mulian Rescues His Mother
连变分 [数] joint variation
连续变量 [数] continuous variable
连续可变气门正时 VVT ; CVVT ; DVVT ; CVTC
连续可变气门正时系统 CVVT ; CVTC
不连续变异 [生物] discontinuous variation ; discrete variation
连续变异 [生物] Continuous variation ; continuous variability
连续可变气门正时控制 CVTC
连续可变气门升程 VVEL ; CVVL
瓦那嘎特说，就像是连挨了两拳，变老以后，肌肉里的能量单元不断损耗，随着时间的推移，这种伤害不断积累；除此以外，身体对于损害的修复能力也因老化而缩小。
The energy powerhouse cells in muscles get damaged with age. That damage accumulates over time and, on top of that, the body's ability to repair that damage also dwindles with aging.
如果有一个或多个参数，甚至连基础方程本身都以一种已知方式随时间而变化，则此系统就称为时变系统。
If one or more parameters, or the very form of an elemental equation, vary in a known fashion with time, the system is said to be time-varying.
本文介绍了一种四连杆变幅机构平衡重系统的优化设计方法。
This paper introduces an optimal method for designing the weight-balance system of the four-link luffing mechanism.
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