明年，零售商和生产商才知道商店里销售的商品价格弹性是否真正发生变化。
The coming year will tell retailers and manufacturers a lot about whether the price elasticities of goods sold in shops have really changed.
弹性密封，零泄漏，使用寿命长。
光学势在核中的吸收系数趋于零，因此弹性散射主要发生在核的表面。
The absorption coefficients approach to zero inside the target nucleus, so that the elastic scattering takes place at the surface region of nucleus.
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