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trepan n.【醫學】環鉆,環鋸〔新式的叫 trephine〕;鑿...

trepanation

I used to work him so with my socratic method , and had trepanned him so often by questions apparently so distant from any point we had in hand , vet by degrees leading to the point , and bringing him into difficulties and contradictions , that at last he grew ridiculously cautious , and would hardly answer me the most common question , without asking first , “ what do you intend to infer from that ? 我常用蘇格拉底法和他爭辯,常使他陷入圈套,起先我以離主題甚遠的問題來回答他,接著一步步地引到主題,遂使他陷于窘迫或矛盾,直到后來他產生一種可笑的心態,這種普通的問題也不難于回答,先要問我,這句話你要困窘我到什麼程度呢?

This laser poss characteristic : t he output power attains 500w ; laser energy instability less than 2 % ; laser radiation angle : about 3 . 5mrad . design a sort of new - style laser cutting head , using this equipment can carry out trepanning and percussion drilling processing 這臺激光器所達到的參數為:輸出功率達到500w ;激光能量不穩定度: < 2 % ;激光的發散角: 3 . 5mrad 。

Methods : clinical data of 32 cases of patients with complicated posterior urethral stricture treated by the trepanning appliance and the 21 cases by common operation were retrospectively reviewed 方法:在對32例復雜性后尿道狹窄患者行開放性手術中,使用后尿道鉆孔器鉆孔(鉆孔器組) ,并與21例常規后尿道鉆孔的療效進行對比。

Accoding to experiment , found that trepanning can obtain the holes of little taper , high roundness , using laser drilling of nearby the last energy threshold gained the holes of high quality 最終得出:在工件上打大孔徑的孔時,采用旋切打孔的方法可以得到了圓度高、錐度小的孔質量。

In view of cost , practicability and maneuverability , the special sintering diamond trepanning drill was developed for drilling ceramic composite components originally 根據復合構件加工中的各種缺陷,分析了采用預壓應力鉆削對改善表面加工質量的重要性。

Dermal trepanning forceps 皮打眼鉗

Trepan - formed perforator 圓鉆形穿孔器