常見例句Objective: Varicose vein is a collective term which describes the distension, lengthening and tortuosity of veins. 目的:了解睪丸靜脈和卵巢靜脈的變異。Retinal arteriolar tortuosity with retinal hemorrhage was first described in 1958. 摘要視網(wǎng)膜小動(dòng)脈彎曲合并復(fù)發(fā)性視網(wǎng)膜出血在1958第一次被提出。Retinal arteriolar tortuosity with retinal hemorrhage was first described in1958. 視網(wǎng)膜小動(dòng)脈彎曲合并復(fù)發(fā)性視網(wǎng)膜出血在1958年第一次被提出。So far,the clear relationship between tortuosity and the microstructure of porous media is uncertain. 在考慮了多孔介質(zhì)微觀結(jié)構(gòu)的前提下,分析了外界因素和多孔介質(zhì)結(jié)構(gòu)對(duì)曲折因子的影響。The tortuosity factor, mechanical properties and flattening test shall be agreed by both the seller and the buyer. 其彎曲度、力學(xué)性能、壓扁試驗(yàn)等由供需雙方協(xié)議。Then the total flexural curvature and the natural tortuosity of the centerline can be expressed with the change rates of deviation and azimuth angles. 另一方面,考察了井孔內(nèi)具有抗彎剛度套管微元的平衡狀態(tài),建立了套管微元所應(yīng)滿足的控制微分方程及其差分格式。 返回 tortuosity