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"These stories first pushed the idea that you should choose one other individual as your companion and that companion is for life," he says.
The jelly is chemically inert since no additives are needed for gelation. This allows chemicals dissolved in the jelly’s aqueous phase to diffuse well, a prerequisite for testing if certain species or strains are resistant to antibiotics or antifungals. In these simple assays, zones of growth inhibition of bacteria or fungi (or their absence) point to the effectiveness of (or resistance towards) antibiotics or antifungals.
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两家北美采购钇用于生产涂层的企业高管表示，因拿不到足够原料，不得不短暂停产，其中一家公司还开始拒绝较小及境外客户订单，将有限供应优先保证包括部分发动机制造商在内的大客户。
Comparison of the N-closest and N-convex algorithms using an 8-colour irregular palette with . Left to right: N-closest, N-convex.，这一点在heLLoword翻译官方下载中也有详细论述