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- The varying pitch helixes were constructed on the parameter equation,and were selected as sweep trajectory;the surface of the screw was enveloped on the generating method. 运用傅立叶分析的方法说明了加网和扫描的过程,对扫描半色调印刷品时所产生的龟纹进行了理论的解释,并提出了抑制此类龟纹的方法。
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- She has keyed the piano up to concert pitch. 她已经把钢琴的音调升到音乐会的音高标准。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- The coach built the team up to a fighting pitch. 教练使全队振作起来，准备一搏。
- The pitcher tends to pitch the ball too high. 这个投球手常把球掷得过高。
- They that touch pitch will be defiled. 近墨者黑。
- We planned to pitch our camps in the mountains. 我们计划在山里扎营。
- The speaker brought the crowd to fever pitch. 演讲者激起群众高昂的情绪。
- Having a shape approximating that of a helix. 近似螺旋形的，近似螺旋线的
- The fans rushed onto the pitch in an excited mob. 球迷群情激昂，一窝蜂涌进球场。
- Let's pitch out the troublemakers. 把这些捣乱分子赶出去。
- That's only an economy at fever pitch. 那只不过是种过热的经济而已。
- A high pitch that is lobbed to the batter. 击出高飞球一个过高的冲向击球员的高飞球
- The children were in a high pitch of excitement. 孩子们高度兴奋。
- Her voice dropped to a lower pitch. 她的声调低了下来。
- Touch pitch, and you will be defiled. 近朱者赤，近墨者黑。
- pitch helix 节距螺旋线
- Cocked the bat before swinging at the pitch. 投球时在摆动之前举起球棒
- That is what a double helix looks like. 这就是二重螺旋线的形状。
