与此同时，研发投入在千万元及以上区间的企业数量，已经连续五年保持两位数的增长，反映出更多企业正在系统化、规模化地投入研发活动。
isSorted(testArr, n) ? "✓" : "✗");
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The depositions in the Clintons’ hometown of Chappaqua, a typically quiet hamlet north of New York City, come after months of tense back-and-forth between the former high-powered Democratic couple and the Republican-controlled House Oversight Committee as it investigates Epstein, who killed himself in a New York jail cell in 2019 while awaiting trial. It will be the first time that a former president has been forced to testify before Congress.
It is difficult to know exactly when the shift from gelatine to agar occurred. As often happens for scientific breakthroughs, agar was likely adopted incrementally alongside the use of other growth media. In 1913, for example, the first diagnosis of Serratia marcescens as a human pathogen was made by growing it on agar as well as on potatoes.