2) Karst zone
岩溶发育带
1.
In this paper,ultrasonic simulation method has been applied to study seismic waves affected by Karst zone in limestone of North China coalfield.
应用地震波超声模拟方法，研究了华北型煤田的煤系底部奥灰岩岩溶发育带对地震波的响应特征，为地震勘探技术应用于矿井台水提供了依据。
4) history of karst development
岩溶发育史
5) karst development stage
岩溶发育期
6) karst development area
岩溶发育地区
1.
Described hereby is the punched cast-in-situ piles applied to the pile foundation construction for the airplane glide approach in Baiyun Airport, Guangzhou, with details in the major technical measures taken in the said construction in the karst development area, and the method of forming pores in grottoes of different sizes, including the technical measures and result therefrom.
详细介绍冲孔灌注桩在岩溶发育地区施工中所采用的主要技术措施;在大小不同的溶洞中采用的成孔方法、技术措施及其实施效果。
补充资料：膀胱不发育与发育不全
膀胱不发育与发育不全
aplasia and agenesis of bladder
膀胱不发育与发育不全均罕见。膀胱不发育常并发上尿路及其他系统严重畸形，故为死产或生后不久死亡。在女性有因输尿管直接开口于前庭、阴道，呈完全性尿失禁而存活者。膀胱发育不全也多因并发严重畸形于生后不久死亡，若有生存的病例则与双侧单一输尿管口异位问题相似。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条