Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Arabic
Chinese
Dutch
Finnish
French
German
Italian
Japanese
Lithuanian
Polish
Portuguese
Romanian
Russian
Serbian
Serbian Latin
Spanish
Swedish
Ukrainian
Terms
for subject
United States
containing
National Standards
|
all forms
English
Chinese
National Bureau of Standards Frequency Standard
国家标准局频率标准
National Institute of Standards and Technology
国家标准技术学会
national map accuracy standards
国家地图精密标准
Get short URL