As one of the new generation of gravity satellites, using GRACE data and its time-variable product to detect the total water storage has been widely proved.

GRACE卫星作为新一代地球重力卫星计划，利用其时变地球重力场数据产品监测陆地水储量变化的已经得到了广泛的研究验证。

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The price variable, once perceived as the dominant aspect of the process, is now subordinate to the competition of the new product, the new business structure, and the new technology.

价格变量曾经被视为过程的主导因素，现在从属于新产品、新业务结构和新技术的竞争。

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These modular sets were explicitly designed to lower distribution costs and make it easy for distributors and customers to tailor the product for highly variable customer environments.

这些模块的设计思路是：可降低分销成本，利于分销商和顾客根据高度差异化的市场环境调整产品。

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With a deferred annuity, you pay now and hope to accumulate assets through either a variable product that invests in equity mutual funds or a fixed product that offers bond-like returns.

FORBES: Personal Finance

Our ability to differentiate through product innovation, evolve our variable cost model, and maintain a robust balance sheet means that we are well positioned to capitalize on future growth opportunities as the gap closes between demand and actual spending by our core network customers.

FORBES: JDSU Posts Mixed FY Q1; Q2 Guidance Misses; Blame Telcos

If you go for a variable rate mini-cash Isa you should bear in mind that some product providers have been know to offer a very attractive rate to tempt new customers but then reduce the return at a later date.

BBC: NEWS | Business | Ask the expert: Switching Isas