letter

letter and confirmation evidence

[经] 信件和确认证据

letter and telegram register

[经] 书信电报登记簿

letter articulation

[电] 字母清晰度

letter blindness

[医] 字盲

letter bomb

[法] 书信炸弹, 邮件爆炸物

letter bomber

(尤指恐怖分子藏在信封内使收信人打开时爆炸的)书信炸弹[亦作 mail bomb]

letter bond

非登记债券

letter book

[经] 书信备查簿

letter box

信箱

letter carrier

邮递员

letter case

[电] 字母盘

letter character

[计] 字母字符, 字母符号

letter code

[计] 字母代码

letter key

[计] 字母键

letter lock

字母锁

letter missive

[法] 公文函件

letter of abandonment

[经] 委付书

letter of acceptance

[经] 承兑函, 中标通知书

letter of accusation

[法] 检举信, 控告信

letter of administration

[经] 委任管理函