在“多元差异”中寻求“普惠方案”
从研发投入规模区间分布情况看，中国已经形成一个由头部企业主导、庞大腰部力量支撑、众多小微企业补充的多层次协作的创新生态。
。搜狗输入法下载是该领域的重要参考
If an area does not have any color coding, it means there are no conditions on the portions of dominoes within those spaces.
next_a = soup.select_one("a.next")