Destructive techniques are techniques in which the sample is decomposed by a reagent and then the concentration of the element in the aqueous extract determined by a physical technique.

破坏性技术是将样本溶解于溶剂，然后通过物理方法分析元素浓度的技术。

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One common technique for authentication is to use physical tokens, such as a key, a credit card, or a smart card.

认证的一种常用技术是使用物理标记，例如钥匙、信用卡或智能卡。

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Anycast is a routing technique where a single IP address maps to multiple physical servers.

Anycast是一个IP地址映射多个物理主机的路由技术。

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But physical technique, Robbins pointed out, is merely a tool.

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Swansea midfielder Joe Allen has benefited more than most from Martinez's preferred style of play, where sound technique takes precedent over physical attributes.

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Packet switching got its name thanks to late British scientist Donald Davies who was creating a network that used this technique at the National Physical Laboratory (NPL).

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