sac的知识精选

2016-12-29 Methods:(1)excisionofaneurysmalsacandmicrosuturingforvascularreconstruction;Objective:Tointroducethesurgicaltechniquesofaneurysmalsacexcisionandparentvesselreconstructionintreatmentforgiantaneurysms.T...

在三棱锥S—ABC中，∠SAB＝∠SAC＝∠ACB＝90°，AC＝2，BC＝4，SB＝4.(1)*：SC⊥B...

2021-10-02 问题详情：在三棱锥S—ABC中，∠SAB＝∠SAC＝∠ACB＝90°，AC＝2，BC＝4，SB＝4.(1)*：SC⊥BC；(2)求二面角A—BC—S的大小．【回答】 (1)*由已知∠SAB＝∠SAC＝∠ACB＝90°，以C点为原点，建立如图所示的空间直角坐标系，则A(0,2,0)，B(4,0,0)，C(0,0,0)，S(0,2,2)...

“sac”可以造什么句，sac造句

2018-03-31 Someofthemodelscontainedanairsac.FluidintheamnioticsacsurroundingthefetusalsocontainsfetalDNA.Perhapswearereallytalkingaboutamnioticfluid,whichsurroundsthefoetusinthebirthsac.Thesmallorgiantaneurysm,a...

“cul-de-sac”可以造什么句，cul-de-sac造句

2017-11-13 Thecul-de-sacstasisoflifeinthesuburbanmiddleclass?It'slikesayingthebluewhaleisinanevolutionalcul-de-sacbecauseitlivesintheocean.They'realsodifficulttomaintainbecauseyournavigationlogichastostoreinfo...

“dural sac”可以造什么句，dural sac造句

2024-02-01 1、APduralsacdiameteronaxialandmidsagittalimagesshowedasimilartendency.2、ResultsThenerverootswithinthelumbarduralsacwerearrangedlooselywiththesacralandcoccygealnerverootstoformthecaudaequina.3、Concl...

“lesser sac”可以造什么句，lesser sac造句

2018-07-13 Thelesserperitonealsacabnormalitiesincludedavarietyofpathologicentities:collection(35cases),liposarcinoma(1cases),andpancreatitis(21cases),pancreaticcarcinoma(13cases),gastriccarcinoma(6cases),gastric...

“embryo sac”可以造什么句，embryo sac造句

2018-01-31 Thematureembryosachassevencells.Starchgrainspresentintheembryosacandplacentaareutilizedbytheembryo.Thentheuninucleateembryosacforms7-celledor8-nucleateembryosacofpolygonumtypefollowingitsthreetimesdiv...

热门标签