![dural sac造句怎么写]( "dural sac造句怎么写")
- 1、APduralsacdiameteronaxialandmidsagittalimagesshowedasimilartendency.2、ResultsThenerverootswithinthelumbarduralsacwerearrangedlooselywiththesacralandcoccygealnerverootstoformthecaudaequina.3、Conclusion.Wereportararecaseoftraumaticlumbardiscruptur...
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![aneurysmal sac造句怎么写]( "aneurysmal sac造句怎么写")
- Methods:(1)excisionofaneurysmalsacandmicrosuturingforvascularreconstruction;Objective:Tointroducethesurgicaltechniquesofaneurysmalsacexcisionandparentvesselreconstructionintreatmentforgiantaneurysms.Thesmallorgiantaneurysm,aneurysmalsac,wall,body,mas...
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![在三棱锥S—ABC中，∠SAB＝∠SAC＝∠ACB＝90°，AC＝2，BC＝4，SB＝4.(1)*：SC⊥B...]( "在三棱锥S—ABC中，∠SAB＝∠SAC＝∠ACB＝90°，AC＝2，BC＝4，SB＝4.(1)*：SC⊥B...")
- 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)，即二面角A—BC—S的大小为60°.知识点：数系的扩充与复...
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![lesser sac造句怎么写]( "lesser sac造句怎么写")
- Thelesserperitonealsacabnormalitiesincludedavarietyofpathologicentities:collection(35cases),liposarcinoma(1cases),andpancreatitis(21cases),pancreaticcarcinoma(13cases),gastriccarcinoma(6cases),gastricleiomyosarcinoma(5cases)invadingintothelessersac.O...
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![sac造句怎么写]( "sac造句怎么写")
- Someofthemodelscontainedanairsac.FluidintheamnioticsacsurroundingthefetusalsocontainsfetalDNA.Perhapswearereallytalkingaboutamnioticfluid,whichsurroundsthefoetusinthebirthsac.Thesmallorgiantaneurysm,aneurysmalsac,wall,body,masseffectcanbeshowedbythes...
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![cul-de-sac造句怎么写]( "cul-de-sac造句怎么写")
- Thecul-de-sacstasisoflifeinthesuburbanmiddleclass?It'slikesayingthebluewhaleisinanevolutionalcul-de-sacbecauseitlivesintheocean.They'realsodifficulttomaintainbecauseyournavigationlogichastostoreinformationabouthowausergottothiscul-de-sac.Chrishasta...
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![embryo sac造句怎么写]( "embryo sac造句怎么写")
- Thematureembryosachassevencells.Starchgrainspresentintheembryosacandplacentaareutilizedbytheembryo.Thentheuninucleateembryosacforms7-celledor8-nucleateembryosacofpolygonumtypefollowingitsthreetimesdivisionsuccessively.Pollentubeenteredtheembryosacvia...
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