letter quality

make sure you use the letter quality printer to print out those letters.

请务必使用优质字符打印机打印这些信件。

The rock formation of developing the stone forest occur as thick blocks and boast the joints striking EW, NS and other directions, and this set of thick-bedded rocks appear equally in thin and middle-thick stratiform from top to bottom.

形成石林的岩层为厚层块状，发育东西向节理，也有南北向和其它方向的节理，且这套厚层岩石上下均为薄&中厚层状岩石。

A study on seismic wave spherical spreading compensation method in homogeneous tilted bedded formation

均匀倾斜层状地层中地震波球面扩散补偿方法研究

Which printer should I use to print it out on, the letter quality printer, the laser printer or the dot matrix printer? common impression cylinder press

我要用哪种印刷机印，字母印表机、激光印表机、还是点矩印表机？共用压印滚筒型印刷机

Numerical analysis of borehole stability in the bedded formation

层状岩石中井孔稳定性的数值分析

The Archeozoic bedded formation is the potential auriferous source in this area. There is a bright future in discovery of new concentrated zones and new-type gold deposits.

该区太古代层状岩系为金的潜在矿源，具有发现新矿化集中区和新类型金矿床的巨大潜力。

welcome letter quality and presentation

准备的欢迎信及其质量