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- The characteristic of the contact action is deeply investigated, and with an exemple of convex concave joints in one pontoon bridge, two kinds of contact finite element model are established. 深入考察接觸行為的特點(diǎn),并以舟橋縱向連接件丙丁接頭為例,建立了兩種接觸計算模型。
- Function's convex concave and inflection point 曲線(xiàn)的凹凸與拐點(diǎn)
- Application: Heat fin, mainframe shell, concave and convex glass and etc. 適用:散熱片.主機外殼.主機外殼.凸玻璃.平玻璃...等。
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象雙凸透鏡可以放大那樣，雙凹透鏡也可以縮小。
- A rhythm instrument consisting of a pair of slightly concave shells of ivory or hardwood, held in the palm of the hand by a connecting cord over the thumb and clapped together with the fingers.Often used in the plural. 響板一對由象牙或硬木制成的有輕微凹形的板子組成的一種節奏樂(lè )器，通過(guò)一段連在拇指上并和其余手指結合的線(xiàn)繩握在手掌中。通常用作復數
- A rhythm instrument consisting of a pair of slightly concave shells of ivory or hardwood, held in the palm of the hand by a connecting cord over the thumb and clapped together with the fingers. Often used in the plural. 響板一對由象牙或硬木制成的有輕微凹形的板子組成的一種節奏樂(lè )器，通過(guò)一段連在拇指上并和其余手指結合的線(xiàn)繩握在手掌中。通常用作復數
- Concave on one side and convex on the other. 一面凹進(jìn)一面凸起的
- Convex on one side and concave on the other. 凸凹的一面凸一面凹的
- To the excellent concave and convex carving skill. 碑上的陰陽(yáng)刻。
- Fault: Convex or concave muzzles. 缺陷：突起或凹入的口部。
- Keep down of you'll be hit by shell fragments. 別起來(lái)，否則你會(huì )被彈片擊中的。
- The snail retreated into its shell. 蝸?？s進(jìn)殼里去了。
- Something having concave and convex edges terminating in points. 新月形物凹邊和凹邊匯合成點(diǎn)的物體
- A shell splinter embedded itself in the wall above his head. 在他頭上方的墻壁上嵌有一塊小小的貝殼片。
- His figure looks very funny in the concave mirror. 他的樣子在凹鏡里顯得非?？尚?。
- The building was burned to a shell. 大樓被燒得只剩下空骨架。
- The despair left him a mere shell of a man. 他陷入絕望，形同軀殼。
- An indented or concave surface or area. 凹陷，洼地凹的表面或地區
- She crumbled an empty snail shell in her fingers. 她用手指捏碎了一個(gè)空蝸牛殼。
- A snail's shell is spiral in form. 蝸牛殼是螺旋形的。
