Target conservation should be taken in action as soon as conservation target of some breed was confirmed according the systemic conservation theory.

按照系统保种理论，一个品种确定保种目标之后即应实行目标保种。

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These concepts accorded with the main international conservation theory. But, with the time passing, the concept of "restoration as the past" is out of the main conservation theory of today.

这些思想均与当时的国际主流保护理论相符，但随着时代的进步，“修旧如旧”的概念已不符合今天的国际遗产保护思想。

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However, the nucleons in nucleus will decay and baryon-number conservation may not be absolute according to the Grand unified theory.

而大统一理论则预言在原子核中的核子将衰变，重子数守恒将被破坏。

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The implications of the theory for conservation are straightforward.

ECONOMIST: Road kill

Because as economists have found and explained through signaling theory and conspicuous conservation, making your socially-focused choices visible can motivate long-term behavior change.

FORBES: Sustainability, By Design

Proceeds from the sale, if allowed, would go into a special pot to help finance conservation, anti-poaching and, at least in theory, rural development for local people, most of whom regard elephants as a destructive nuisance.

ECONOMIST: Tusks and horns and conservationists | The