Bulky and relatively heavy
New video shows Russian forces using white phosphorus munitions to strike Kostiantynivka
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Фото: Leonhard Foeger / Reuters
百亿和十亿级别的企业研发投入总和1.76 万亿元，以6.39%的企业总数（378 家），占到全部研发投入的六成（64.94%）。
William Harwood
First writing may be 40,000 years earlier than thought.
· 张伟 · 来源：dev资讯