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We discuss asymptotically best linear unbiased estimators of the Logistic population based on selected order statistics and give the formula of computing the ABLUE, the variance and the covariance of the ABLUE in limit, and properties of the ABLUE, and so on. We give the optimum chosen of spacing which is the ABLUE with maximum asymptotic relative efficiency based on complete sample when selected order statistics number is less than 10, and obtain its maximum asymptotic relative efficiency.
讨论基于Logistic总体Ⅱ型截尾样本的若干个样本分位数的总体分布参数的近似最佳线性无偏估计;给出了该近似最佳线性无偏估计的计算公式,估计方差与协方差的极限表达式及估计量的大样本性质等;给出了全样本,样本分位点个数固定,但不超过10情形下,使上述近似最佳线性无偏估计有最大相对联合估计效率时,样本分位数选取法及最大相对联合估计效率;为大样本情形下,该近似最佳线性无偏估计的应用提供了理论依据。
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Except Yuanqi , all things had form, boundary, sideand beginning and end.
他认为天地万物都是有形有象的,而作为宇宙本原的元气,则是无形无象的;宇宙间的具体事物都是有固定的属性,也要受到其他物的限制,而元气则是"混全之称";一切具体事物都是有生有灭的,而元气则是无始无终、无生无灭的;元气的运动变化,聚散化生并不影响元气的总量,正如能量守恒定律一样;性也为元气所固有。
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Fruit silicles, orbicular, broadly obovate, or broadly elliptic, strongly latiseptate, sessile or rarely on a gynophore to 1 mm; valves subleathery, obscurely or distinctly veined, glabrous or pubescent, flat or slightly inflated; replum slightly flattened, not winged; septum complete, membranous; style to 5 mm, filiform; stigma capitate, entire.
果短角果,圆形,宽倒卵形,或宽椭圆形,强烈具宽隔膜,无梗或很少关于一在1毫米;近革质的裂爿,不明显或清楚脉,无毛或被短柔毛,平的或稍膨大;假隔膜稍扁平,无翅;隔膜完全,膜;对5毫米称呼,丝状;柱头头状,全缘。
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Preparation method of perfluorooctane based on n-octane and anhydrous hydrogen fluoride as starting materials via electrochemical fluorination is described in detail finally.
介绍了全氟辛烷的性质和用途,列举了合成全氟辛烷的各种工艺路线,最后较为详细地论述了以正辛烷和无水氟化氢为原料,通过电化学氟化法制备全氟辛烷的工艺过程。
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Browse 8 Unbounded Unbounded Unbounded Following the visit 6 and later a major technological breakthrough in addition to Microsoft-based browser full-transparent proxy encryption, the unbounded browse 8 opening of a new invention called the road to the Super Eagles agent server connection technology to coordinate a global search for a variety of resources for users to use a proxy server, fast, unlimited capacity, and technology platform for the global network free basis.
无界浏览8是继无界无界浏览6之后又一个重大技术突破,除了具备基于微软浏览器的全透明加密代理之外,无界浏览8启用了新发明的名为雄鹰之路的超级代理服务器连接技术,能够搜寻协调全球各种代理服务器资源供用户使用,速度快,容量无限大,并为全球网络自由技术平台奠定基础。
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The methods for determination of the complete genome sequences of potyviruses, carlaviruses and potexviruses were also established. The complete genome sequences of 13 viruses(20 isolates) were determined while 10 of them were the first report in the world.Five of them including Lily symptomless virus (NC_005138), Lily mottle virus(NC_005288),Onion yellow dwarf virus (NC_005029), Lily virus X (NC_ 007192) and Shallot yellow stripe virus(NC_007433) were selected as the standard sequences of those viruses by National centery of Biotechnology Information, USA.
建立了马铃薯Y病毒属、麝香石竹潜隐病毒属和马铃薯X病毒属成员的基因组全序列扩增技术,完成了13种不同植物病毒近20个分离物的基因组全序列测定,其中10个病毒的基因组全序列为国际首次报道,百合无症病毒(NC_005138)、百合斑驳病毒(NC_005288)、洋葱黄矮病毒(NC_005029)、百合X病毒(NC_ 007192)和葱黄条病毒(NC_007433)等5条序列被美国国家生物技术信息中心列为相关病毒标准序列的有。
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Fruit dehiscent siliques, linear or oblong, terete or rarely slightly latiseptate, sessile; valves papery, with an obscure midvein, torulose; replum rounded; septum complete, membranous, translucent, veinless; style absent or distinct and to 1 mm, cylindric or clavate; stigma capitate, entire.
果开裂长角果,具宽隔膜的线形或长圆形,圆柱状的或很少稍,无梗;裂爿纸质,具一不明显,近念珠状;假隔膜绕行;隔膜完成,膜质,半透明,无脉;称呼无或离生和在1毫米,圆筒状或;柱头头状,全缘。
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Fruit dehiscent silicles, oblong, ovate, obovate, elliptic, obcordate, or rarely globose, strongly latiseptate or rarely inflated, sessile; valves veinless, pubescent or glabrous, smooth; replum rounded; septum complete, membranous, translucent, veinless; style distinct; stigma capitate, entire.
果开裂短角果,长圆形,卵形,倒卵形,椭圆形,倒心形,或很少,强烈膨大的具宽隔膜的或很少,无梗;裂爿无脉,被短柔毛或无毛,平滑;假隔膜绕行;隔膜完成,膜质,半透明,无脉;花柱离生;柱头头状,全缘。
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Because whole rock samples always contain some retrograde minerals,the tie line of garnet + whole-rock in Sm-Nd isochron diagram or the tie line of phengite + whole- rock in Rb-Sr isochron diagram can give a geologically meaningless age.
由于全岩样品总是含有数量不等的退变质矿物,因此石榴石+全岩 Sm-Nd 法或多硅白云母+全岩 Rh-Sr 法将有可能给出无地质意义的年龄。
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objective:to explore the effects of out cavity single slip knot technique in non titanium clip two hole method laparoscopic cholecystectomy.methods:to analyzed the clinical data of 62 patients underwent two hole method lc with out cavity single slip knot technique.results:all the operations were finished successfully without conversion.the mean operation time and hospitalization were 55 min and 4d respectively.conclusions:the two hole lc with out cavity single slip knot technique has the advantage of firm and reliable ligation,low operation expense,non titanium clip stay in the body,and avoiding of bile leakage due to titanium clip falling off.
目的:探讨腔外单滑结技术在无钛夹二孔法腹腔镜胆囊切除术中的效果。方法:应用腔外单滑结技术行二孔法lc 62例。结果:患者均行lc,无中转开腹,手术平均时间55min,平均住院4d。结论:无钛夹腔外单滑结法lc具有结扎可靠,手术费用低,并可消除因钛夹留置体内或夹闭不全造成脱落、胆漏等其他并发症。
- 推荐网络例句
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。