Mr Lemmens explained that the "re-entry of human-made objects into Earth's atmosphere occurs quite frequently". He said it happens weekly for bigger spacecraft and daily for smaller ones.
供需失衡→价格暴涨/暴跌→厂商扩产/减产→新一轮循环。这套“周期铁律”几乎成了半导体行业的常识。
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It had previously been thought that vaccinating children against chickenpox would cause a problematic rise in the linked condition shingles, but a recent long-term study from the US disproved that theory.
香港註冊結構工程師倪學仁表示，除非政府提交報告或能在現場勘察，否則目前無法判斷政府就樓宇狀況的說法。