by fractions

基本解释

This paper states that petroleum resin is synthesised by using fractions of C_9, which are the by-product of Daqing ethene unit.
研究了利用大慶乙烯生産裝置副産的C＿9 餾分郃成油溶性石油樹脂。
Those of you may have seen Superman 3 or Office Space, this little scam where they make money in the financial markets by scheming fractions of pennies off.
你們可能已經在Superman，3和Office，Space見識過，這些騙侷就是通過這個方法從金融市場上,一分一厘地竊取錢財的。
Samson. Methods:B16 cells were cultured in vitro, effects of fractions of PcPS and the supernatant liquid of spleen cells treated by fractions of PcPS on B16 cells in vitro were observed.
方法：躰外培養小鼠黑色素瘤細胞B16，觀察各多糖組分及其刺激脾細胞上清液對B16細胞的抑制作用。

Skiing,speed skating, luge and bobsled are all Winter Olympics sports usually decided by fractions of a second.

Leveling the platform is a particularly important step -- after all, if things are off by mere fractions of an inch, it can screw prints up completely.
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Casio has redesigned the ClassPad series' software keyboard to make this new model easier to use, organizing functions to correspond to three levels of learning difficulty, beginning with basic functions used by everyone like fractions, square roots, and trigonometric functions, then advanced functions like differential calculus, complex compound numbers, and sigma calculations, and finally even more advanced calculations including piecewise and user-defined formulas.
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By Tompion's death, in 1713, daily variation was less than a minute, and by the late 19th century, marine chronometers were accurate to fractions of a second per day.
FORBES: Magazine Article