incipient stage

Results In the incipient stage of senile cortical cataract, the false negative ratio of ultrasonography is 19.05%, the sensitivity is lower than that of slit-lamp. In the intumescent stage, mature stage or hypermature stage, the relevant ratio of ultrasonography is 100%.

结果老年性皮质性白内障初发期超声检查假阴性占1905%，敏感性不如裂隙灯检查，膨胀期、成熟期、过熟期超声的检出率可达到100%。

In a word, African Americans have reached a high level of cultural assimilation and are in the incipient stage of secondary structural assimilation. However, in the assimilation process they still face many challenges.

总的来说，非洲裔美国人在文化融合上已经达到较高的水平，而且已经处在次级结构融合的初级阶段。但是，在融入主流社会的进程中，非洲裔美国人仍然面临着诸多挑战。