您要查找的是不是：
- 数字时间谜RIDDLES OF FIGURES OR TIME
- 数字时间戳服务Digital time-stamping service(DTS)
- 数字digital (electronics, etc.)
- 灰度级grayscale
- 数字时间互相关积累digital temporal cross-correlation accumulation
- 一种4灰度级LCD驱动芯片的设计研究Design of a 4-Level Gral Scale LCD Driver
- PKI中数字时间戳技术Digital time-stamping of PKI
- 利用JPEG方法对图像进行压缩，并采用直方图相交匹配函数求得图像灰度级的匹配程度。The JPEG compress method was applied, and the histogram cross matching function was used to measure the matching degree in this research.
- 数字时间戳服务系统的设计A Design of Digital Time Stamp Service System
- 灰度gray scale
- 级联connection
- 校级field rank
- 英语四级English Band 4
- 阿拉伯数字digit
- 但数字时间则不然，它是一种脉动。Not so with digital time, which is a pulse.
- 大学英语四级College English Band 4
- 罗马数字Roman numerals
- 一级的firstlevel
- 数字的numerical
- 船级ship' classification
