基本解釋[流] 渦環(huán)英漢例句雙語例句The effect of the viscosity is mainly shown in the diffusion of vorticity and the generation of secondary vortex ring.粘性的作用主要體現(xiàn)在渦量的耗散和新的二次渦環(huán)的產(chǎn)生；The results show that the interaction between a viscous vortex ring and a free surface is different from the inviscid one.結(jié)果表明：由于粘性的存在，使得渦環(huán)與自由表面的相互作用與無粘情形相比有許多不同。Physically, at a special critical wave speed the flow may have a naturally periodical separated-reattached pattern, with each wave trough capturing a stable vortex ring.物理上看，在一個特定的臨界行波速下會形成自發(fā)的周期性分離再附流，每個波谷的分離區(qū)捕獲一個穩(wěn)定的渦環(huán)。vortex ring更多例句詞組短語短語vortex x ring 渦環(huán);漩渦之環(huán)vortex -ring cascade 渦環(huán)級聯(lián)vortex ring state 渦環(huán)狀態(tài)Incessant Vortex Ring 無盡渦環(huán)vortex ring canopy 渦環(huán)傘衣vortex ring更多詞組英英字典柯林斯英英字典 a stable perturbation in a fluid that takes the form of a torus in which the flow rotates in the section of the torus so that the pressure difference between the inside and outside of the torus balances body forces. The best-known vortex ring is a smoke ring vortex ring劍橋字典vortex ring柯林斯字典專業(yè)釋義物理學(xué)渦環(huán)地球科學(xué)渦環(huán)