Instrumental records do not go back far enough to provide us with reliable measurements of global climatic variability on timescales longer than a century.
仪器上记录的年代不够久远，因而无法可靠地提供一个世纪以前全球气候变化的测量值。
However do not focus on the worse scenario, as you may otherwise be instrumental in bringing it about.
但是不要着眼于更糟糕的情况，你也有可能是把它在约作用。
BLACK holes do not have a reputation for giving up their secrets, but they could prove instrumental in uncovering exotic particles that are difficult to detect on Earth.
旋转的黑洞可能会揭示奇异粒子黑洞给人的感觉向来都是神秘莫测，但是在揭示地球上难以探测到的奇异粒子方面或许能有帮助。
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