查询词典 documentary stamp

Americans usually eat three meals a day：美国人通常一日三餐

28. American education owes a great deal to Tomas Jeff... | 29. Americans usually eat three meals a day. 美国人通常一日三餐. | 31. Any mistake in the printing of a stamp raises its value to stamp coll...

digital time stamp：数字时间戳

如果在签名时加上一个时间标记,即是有数字时间戳(digital time stamp)的数字签名. 时间戳(time-stamp)是一个经加密后形成的凭证文档,它包括三个部分:交易文件中,时间是十分重要的信息. 在书面合同中,文件签署的日期和签名一样均是十分重要的防止文件被伪造和篡改的关键性内容.

Yellow stainon gum：背胶黄斑

票面残损 damaged stamp surface | 背胶黄斑 yellow stainon gum | 票面污损 stained stamp surface

Yellow stain on gum：背胶黄斑

票面残损Damaged stamp surface | 背胶黄斑 Yellow stain on gum | 票面污损Stained stamp surface

check date before stamp：盖章之前确认日期

?送还之前要盖章 stamp before "out" | ?盖章之前确认日期 check date before stamp | ?航班前接后送 pick-up before flight and see-off after

date stamp：日戳

date of posting 投寄日期 | date-stamp 日戳 | date-stamp impression book 日戳印簿

gravity stamp：落锤捣矿机,捣矿机

gravity stabilization system ==> 重力稳定系统 | gravity stamp ==> 落锤捣矿机,捣矿机 | gravity stamp battery ==> 捣磨机,重力捣碎机组

gravity stamp mill：捣碎机

gravity stamp battery ==> 捣磨机,重力捣碎机组 | gravity stamp mill ==> 捣碎机 | gravity station ==> 重力点

Mint Stamp：新票

集邮,究应以尚未使用过的新票(MINT STAMP)或销过邮戳之旧票(USED STAMP)为佳,集邮界似无齐一的见解. 有一派的人认为,

Perforation Gauge：量齿尺

胶水纸 Stamp Hinge | 量齿尺 Perforation Gauge | 邮票镊子 Stamp Tweezer

genetic recombination：遗传重组

第三节基因重组和基因杂交基因重组(gene recombination) 遗传重组(genetic recombination):两个独立基因组内的遗传基因,通过一定的途径转移到一起,形成新的稳定基因组的过程.

d-c restorer：直流分量还原器

d-c reinsertion 直流成分恢复 | d-c restorer 直流分量还原器 | d-c ringer 直流电铃