查询词典 lee wave

primary wave：初波

( 1)、初波(Primary wave) 又叫P波. 它类似声波,是以疏密相间的形式传播的波,所以是纵波. 因为它和英语中的"推" (push) 第一个字母相同,所以把P波想象为"推"波有利于记忆. ( 2)、次波(Secondary wave) 又叫S波. 质点运动方向与波的传播方向垂直,

primary wave, P-wave：初波,P波

原生深度差 primary variations in depth | 初波;P波 primary wave; P wave | 原生风(行星风) primary wind

P wave; Primary Wave：初波

"Pn layer","Pn层(地函最上层)" | "P wave; Primary Wave","初波" | "P-P boundary","P-P界"

prime cost sum：成本额

primary wave, P-wave 初波,P波 | prime cost sum 成本额 | primer 底漆

progressive wave：行波

progressive wave motion 前进波动 | progressive wave 行波 | progressive winding 前进绕组

progressive wave tube：行波管

progressive wave antenna 行波天线 | progressive wave tube 行波管 | projection 投影

progressive wave aerial：行波天线

progressive scanning 顺次扫描 | progressive wave aerial 行波天线 | progressive wave antenna 行波天线

progressive wave motion：前进波动

progressive trials 逐级加速试航 | progressive wave motion 前进波动 | progressive wave 行波

pulse wave：脉冲波

接下来再来了解一下方波(Square Wave)和脉冲波(Pulse Wave). 方波,因为波形方方正正而得名. 而脉冲波. 波形上下最大振幅持续时间完全相同,而单独又称为方波. 也就是说波形上下最大振幅持续时间只要不相同,就是脉冲波.

pulse wave：脉波

pulse valve 脉冲阀 | pulse wave 脉波 | pulse wave 脉波脉冲波

seal oil pressure：密封油压

"seal of bearing ","轴承密封" | "seal oil pressure ","密封油压" | "seal ring ","密封环,止漏环"

osteographer：骨论学家

choreographer舞蹈动作的设计者 | osteographer骨论学家 | glyphographer电刻者