Various attempts have been made to find suitable initiation systems.
為尋找合適的`引發體系，人們進行了各種嘗試。
Research progresses on Influence of Initiation charge location for blasting effect
起爆藥包位置影響爆破效果的研究進展
Study on the Fracture Initiation and Propagation Model for Horizontal Well Fracturing
水平井壓裂起裂機理及裂縫延伸模型研究
P2P Technology Initiation Copyright Right Infringement Question International Law Research
P2P技術引發的版權侵權問題的國際法研究