| 单词 | payload assist module |
| 释义 | payload assist modulenouna U.S. solid-propellant rocket used to boost a medium-weight spacecraft from a circular low-earth orbit to an elliptical transfer orbit for later insertion into a geosynchronous orbit. Abbreviation: PAM Compare inertial upper stage. Origin of payload assist moduleFirst recorded in 1980–85 Words nearby payload assist modulepay for, pay grade, pay-in, paying guest, payload, payload assist module, payloader, payload specialist, paymaster, payment, payment by results Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
| 随便看 |
|
英语词典包含192737条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。