1. Common bit ranges are 8-bit color (256 colors), 16-bit color (thousands of colors), and 24-bit color (millions of colors).

普通一点儿范围是8位的颜色(256种颜色),16位颜色(数千种颜色),以及24位颜色(数百万种颜色)。
2. Because one-cone bit has the advantages of the three-cone bit and the PDC bit and it makes for their disadvantages, so the one-cone bit is the important chose to drill the small well.

随着钻探新技术的发展,开发深井和超深井技术要求钻头尺寸小型化,由于单牙轮钻头具有三牙轮钻头和PDC钻头的优点,同时又弥补了二者的不足。
5. In this paper, a new small-sized bit is introduced. The bit is mainly composed of a biassed polyconic cutter, a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头,它主要由一个偏置的多锥形牙轮和一个圆柱形滚轮及两个牙掌组成。