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。
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是,如果要取得真正重大的进展,需要有比这种装置精细得多的仪器。