1. of the 602 buskers, 58 per cent are guitarists, 10 per cent violinists, 9 per cent saxophonists, 10 per cent play flutesharmonicas, 6 per cent accordionskeyboards2 per cent play the didgeridoo. 在602名街头艺人当中,58%是演奏吉他的人,10%是演奏小提琴的人,9%是演奏萨克斯管的人,10%是演奏长笛和口琴的人,6%是演奏手风琴和键盘的人,还有2%是演奏迪吉里杜管的人。
2. Power cycle: Otto cycle, Diesel cycle, Brayton cycle, Rankine cycle. 动力循环:奥图循环,狄塞尔循环,布雷登循环,郎肯循环。
3. Power cycle: Otto cycle, Diesel cycle, Brayton cycle, Rankine cycle. 动力循环:奥图循环,狄塞尔循环,布雷登循环,郎肯循环。
4. Power cycle: Otto cycle, Diesel cycle, Brayton cycle, Rankine cycle. 动力循环:奥图循环,狄塞尔循环,布雷登循环,郎肯循环。
5. The frequency is the number of waves that reach the shore each second, measured in hertz (Hz). 1 Hz is equal to 1 wave per second, or 1 cycle per second. 频率则是指每一秒波到达这个岸的数目,以赫兹(Hz)量测。1Hz等于每秒1个波,或每秒1个循环。
网络释义
revolution per minute per second 每秒每分钟转数;
per centum per annum 释义:每年百分之…,年百分率;
mdd microgram per square decimeter per day 微克/分米/天(腐蚀速率单位);