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- forward and backward diffusion equation 前向-后向扩散方程
- Wavelet forward and backward diffusion 小波前向后向扩散
- He lined out for home without a backward glance. 他头也不回,急忙往家里走去。
- This part of the country is still backward. 这个国家的这个地区仍很落后。
- In some cities housing conditions went backward. 某些城市的住房条件越来越差。
- The teacher was patient with backward children. 那位老师对迟钝的学童十分耐心。
- Clouds cause the diffusion of light from the sun. 云使阳光漫射。
- He looked backward over his shoulder. 他回头向后看。
- She looked backward over her shoulder. 她回头往後看。
- Backward diffusion 逆扩散
- Sheila is very clever but rather backward in expressing her ideas. 希拉很聪明,然而在表达思想时却有些腼腆。
- Although he is clever, he is backward in giving his views. 他虽然很聪明,却不善发表他的意见。
- forward and backward diffusion 前向后向扩散
- Frank was so backward that he hesitated to ask her to dance. 法兰克非常腼腆,不好意思请她跳舞。
- He had a firsthand taste of life in backward mountainous areas. 他直接体验过落後山区的生活。
- Insulation used to prevent heat diffusion, as from a steam pipe. 绝热材料用来防止热量散失的绝热材料,如从蒸汽输送管上
- Traditional systems have used oil diffusion pumps. 常规的系统使用油扩散泵。
- A backward flow of water, as from the action of oars. 反流,逆流向后流的水,如由浆的划动引起
- The diffusion process seems to be accelerating. 传播过程看来正在加速。
- The backward man lacks black background. 落后的男子缺少黑色背景。