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
同时,研发人员的平均值持续增长,中位数则在波动中下滑,这一现象再次呼应“整体扩张、结构分化”的特征。也就是说,研发人才作为核心战略资源,与研发资金一样具有强烈的“马太效应”,都向技术雄厚、资金充足的头部企业集中。
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В России ответили на имитирующие высадку на Украине учения НАТО18:04
"These habitats are exceptionally rare, rich in biodiversity, support unique flora and fauna, and are impossible to recreate or replace," he said.