Finding these optimization opportunities can itself be a significant undertaking. It requires end-to-end understanding of the spec to identify which behaviors are observable and which can safely be elided. Even then, whether a given optimization is actually spec-compliant is often unclear. Implementers must make judgment calls about which semantics they can relax without breaking compatibility. This puts enormous pressure on runtime teams to become spec experts just to achieve acceptable performance.
如何把一株紫苏“吃干榨尽”？沈奇团队研究发现，紫苏富含挥发油、酚酸类以及花青素类物质，具有强抗氧化、抗炎、抗过敏、抗菌、抗病毒等功效。紫苏酚酸以迷迭香酸为主，高光可诱导紫苏迷迭香酸含量大幅提高。该团队基于应用需求开展品质定向选育，成功选育紫苏优良新品种7个，并对紫苏抗衰老的作用和功效物质进行深入研究。
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Chris Fayers, head of environment at Hinkley Point C, said the testing had gone "really well"