As you can see in this photo, we've retained the same style which was so popular in this old model.
正如你在这张图片上所看到的,同风格的这种旧型产品非常流行,我们保留了它。
All this was comparatively slow until, with the coming of science, the tempo was suddenly raised.
所有这些发展都比较缓慢,而随着科学的到来,增长的速度才突然加快。