All the Atom specifications are still under heavy development and likely to change before they are standardized, although the essential flavor of Atom will likely remain the same.

所有的Atom规范仍在积极地开发之中，在标准化之前还可能发生变化，虽然基本的Atom风格很可能不变。

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Futures contracts for the same commodity and delivery month are fungible due to their standardized specifications for quality, quantity, delivery date and delivery locations.

同种商品、同一交割月的期货合约具有可替代性，合约间的可替代性取决于其特定的质量标准、合约量、交割日期和交割地点。

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