“如果以城市为中心，画一个1000公里的半径，能覆盖多少人口？”
The British weren’t alone in their hunt. Chileans, New Zealanders, and South Africans, among others, were also scrambling to source this strategic substance. A few months after the Pearl Harbor attack, the U.S. War Production Board restricted American civilian use of agar in jellies, desserts, and laxatives so that the military could source a larger supply; it considered agar a “critical war material” alongside copper, nickel, and rubber.1 Only Nazi Germany could rest easy, relying on stocks from its ally Japan, where agar seaweed grew in abundance, shipped through the Indian Ocean by submarine.2
。PDF资料对此有专业解读
（一）扰乱机关、团体、企业、事业单位秩序，致使工作、生产、营业、医疗、教学、科研不能正常进行，尚未造成严重损失的；
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