quadrillion

The human eye is sensitive to light frequencies that range from a few hundred trillion to several hundred quadrillion periods per second.

人眼对光频率的敏感范围从每秒几百万亿次到数百万亿亿次。

the technique is so sensitive that it can detect a single radioactive carbon atom hiding among a quadrillion ( one million billion) ordinary ones.

这项技术非常敏感，甚至能够在十的十五次方（一千万亿）个普通碳原子中找到一个放射性碳原子。

based on transects and sediment samples, scientists now estimate that there are 29000 quadrillion cells in the subsurface of the ocean-their numbers constrained by a lack of available food in places where sedimentation rates are low.

基于横断面和沉淀物样本，科学家们估计有2900亿亿个细胞生长在次表层海洋里。在那些沉积物比率偏低的地方食物有限，因此细胞的数量也受到限制。

to a billion people all over the globe-a quadrillion books, just given away.

这将会是免费赠送的一万兆本书。

The acronym stands for zettabyte file system, which is a direct reference to its storage capabilities: up to256 quadrillion zettabytes.

ZFS是zettabyte文件系统的首字母缩写，可以作为对该系统的存储功能的直接引用，该系统最多可存储256万亿zettabyte。

dow chemical says its green investments have saved 1.8 quadrillion british thermal units of energy since 1994& enough to power every home in california for 20 months.

陶氏化学表示，绿色投资1994年以来已为其节约能源达1.8千万亿英热单位&足以为美国加州所有家庭供电20个月。

But from Monday, Zimbabweans can exchange bank accounts of up to 175 quadrillion ( 175,000,000,000,000,000) Zimbabwean dollars for five US dollars.

但从周一起，津巴布韦人最多可以用175千万亿津巴布韦元银行存款兑换5美元。

the tianhe-2 uses 80,000 intel xeon chips to generate a computational capacity of more than 33 petaflops. a petaflop is equal to about one quadrillion calculations per second.

天河2号使用了8万个英特尔至强芯片，每秒能够计算超过33x1015次。

the spectrometer can measure chromium, iron, copper and other elements to several parts per quadrillion.

质谱仪对铬、铁、铜等元素的检测精度可以达到千万亿分之一的数量级。