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- In order to evaluate the migration of aerosols in porous media driven by gases, a dual porosity dual permeability mathematical model is proposed in symmetric cylinder coordinates. 摘要为了研究多孔介质对气体和气溶胶的封闭能力，用数值方法模拟了气体和气溶胶在多孔介质中的迁移。
- It is unsuitable to research dynamic characteristics of asymmetric cylinder controlled by symmetric four-way valve using the result of symmetric cylinder controlled by symmetric four-way valve. 对称四通阀控对称液压缸的分析结果对对称四通阀控非对称液压缸动态特性研究已不适用。
- MRF actuating unit based on symmetric cylinder 基于磁流变技术的对称气动缸动力机构
- The electron microscope results show that it is unmyelinated fibers but not myelinated ones that are labeled by BSI B 4.BSI B 4 labeled axonal terminals forms non symmetrical axon dendritic synapses with negative dendrites. 电镜观察表明：BSI－B4只标记无髓纤维，不标记有髓纤维；
- Two design strategies that three-way valve control unsymmetrical cylinder and four way valve control symmetrical cylinder were analyzed from principle and system structure aspects. 摘要对船用舵机泵控系统中位置控制单元的三通阀控制非时称缸和四通阀控制对称缸的两种设计方案进行了理论分析和系统结构分析。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- The accident didn't do much damage to the cylinder. 在意外事故中，汽缸没有受到重大损坏。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The string is wound round a cardboard cylinder. 线缠绕在纸筒上。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- The engine is misfiring badly on one cylinder. 发动机有一个汽缸严重失灵。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- non symmetricadj. 不对称的
- The cylinder is a crucial part of the washing machine. 滚筒是洗衣机必不可少的部分。
- non symmetric autooscillations 非对称自振汤
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- symmetric cylinder 液压缸
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- The cylinder is getting too much gas and not enough air. 汽缸里汽油太多而空气不足。
- We decided to declare them personae non grata. 我们决定宣布他们为不受欢迎的人。
