其中，2703 家企业扩大了研发人员规模，2328 家在收缩，另有278 家因首次披露而未被纳入比较。在研发人员整体增长的背景下，扩张与收缩的比例为1.16:1，低于上年的1.64:1。这表明，本年度扩张研发人员的平均增量，大于收缩企业的平均减量，企业之间研发投入存在分化现象。
二是规模效应。销量翻倍后，工厂满负荷运转，单位产品分摊的固定折旧和人工成本被摊薄。
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I could also tweak the speed of the interpreter by simply changing the amount of times I call step function per second. Memory management was done by checking overall memory used every 500 steps.。业内人士推荐谷歌浏览器下载作为进阶阅读
FuturesUnordered is independent of this cancel safety question. In that case, buffered and FuturesUnordered would be