Two kinds of polynitrile molecules (polyaminobenzonile and polynitrobenzonile) are studied by femtosecond time-resolved optical Kerr effect.
本文利用飞秒时间分辨光克尔效应，对主链为C＝N结构的两种共轭聚腈高分子（聚氨基苯腈和聚硝基苯腈）的溶液和薄膜进行研究，所测得的时间分辨光克尔信号均表现为超快响应。
Time is measured by the hour, minute and second.
时间是以小时、分、秒计算的。
Returns the serial representation for a specific hour, minute, and second
按顺序返回一个具体的时、分、秒
nanosecond time-resolved spectrosecopy
毫微秒时间分辨光谱学
picosecond time resolved spectroscopy
皮秒时间分辨光谱学
Each moment in history is a fleeting time, precious and unique.
历史巨轮飞转，分分秒秒的时间都十分宝贵，也独具意义。
Time separator:~~Tap a symbol to separate hours, minutes, and seconds.
时间分隔符:~~点击用于分隔小时、分钟和秒的符号。
a sidereal year
恒星年((365日6时9分9.54秒))
The winning time was 1 minute 5 seconds.
获胜的时间是1分零5秒.
clock, secondary, with only minute and (or) second-hands
标准时钟,只装有分针和(或)秒针
A watch have three hand - - the second hand, minute hand and hour hand
手表有三根指针--秒针,分针和时针
A watch has three hands ---- the second hand, minute hand and hourhand.
手表有三根指针--秒针,分针和时针。
She treasures every moment of her youth.
她珍惜年轻时期的每分每秒。
An exposure of one hundredth of a second will is enough.
百分之一秒的曝光时间就足够了。
You 'd better give it an exposure of 1/60 of a second .
你最好给它六十分之一秒的曝光时间。
ON 0.2 μs Time Resolution ESR Spectrometer
0.2微秒时间分辨电子自旋共振波谱仪
A watch has three hands -- the second hand, minute hand and hour hand.
手表有三根指针--秒针、分针和时针。
Race results can be automatically timed to hundredth of a second.
可以自动计时，精确到百分之一秒。
A unit of time equal to one sixtieth of an hour, or60 seconds.
分一个时间单位，为一小时的六十分之一或60秒