在危机最严重的几个月期间市场停业情况下，现金储备给债务管理者们提供了更大的回旋余地。
Cash buffers gave debt managers more room to maneuver when markets closed during the peak months of the crisis.
回旋行波管放大器是高功率毫米波雷达发射系统最重要的候选者。
Gyrotron traveling wave amplifier is a very important high power millimeter wave source for radar applications.
它以二段式、三段式、回旋曲式为主，音乐形象丰富、技术训练全面，使学习者在掌握弹奏技巧的同时也提高了音乐表现能力。
Its colourful form of music and comprehensive training of skill enable learners to play piano as well as improve their abilities of music expression.
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