您要查找的是不是：
- 电子 electron
- 电子邮件 E-mail
- 电子商务 the e-business
- 电子杂志 E-journal
- 电子书 e-book
- Gothic pitch (约70) 哥德式屋面坡度
- base track (用于推拉隔断) 地面滑轨
- 电子产品 electronic product
- front pitch (线圈的) 前节距
- 进行赛跑的整个地段称为track. The whole area they run on is called the track.
- 电子的 electronic
- quarter pitch (高1:跨4) 高跨一与四比
- no-field track (指云室或气泡室中) 无磁场径迹
- strand pitch (钢丝绳的) 绳股捻距
- 电子设备 electronic aid
- sound track advance (声画不同步) 声迹超前
- ordinary pitch (其值为37.5) 常用屋面坡度
- 电子信箱 electronic mailbox
- Note:自PHP 4.0.3起,track_vars总是打开的。 Note: As of PHP 4.0.3, track_vars is always turned on.
- cumulative pitch error (齿轮的) 周节累积误差
