git clone https://github.com/jonmagic/secure-env-demo.git
平均值和中位数的背离，进一步印证了上述趋势——一方面，研发人员数量平均值由上年的722人提升至731 人；另一方面，研发人员的中位数却从上年的216 人降至213 人。这意味着，少数研发密集型企业大量增聘研发人员，多数中小型企业的团队规模维持稳定或略有收缩。
。业内人士推荐新收录的资料作为进阶阅读
“It’s really, really expensive to take down a cheap drone,” he said. “A giant missile going after a tiny little crappy drone.”
Much of the world's cocoa is produced in Ghana and Ivory Coast, where state regulators set the price a year in advance. The recent collapse in prices has made their beans around 40% more expensive than international traders are willing to pay.