It is fully significant of borehole log of the quaternary system that man carries out the stratigraphic correlation and 3d modeling process.
第四系鉆孔柱状图在进行地层对比和三维建模过程中十分重要。
The quaternary system piezoelectric ceramic with good properties and suitable for stationary wave ultrasonic motor is prepared.
制备了性能优良、适合于驻波超声马达的四元系压电陶瓷材料。
Gongleting spring emerges at the contact place between the dolomite of wumishan formation, jin system and the stratum of quaternary system and is an overflow spring.
公乐亭泉出露于蓟县系雾迷山组白云巖地层与第四地层接触部位,为溢出泉。
The equilibrium phase diagram and the density-composition diagram of the quaternary system were plotted using experimental data.