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In conclusion, the control mechanism of beetle's elytron is quite complicated, and all the results of this thesis set up a basis for the further bionic design of structure and its optimization in the field of aviation and spaceflight.

总之,甲虫鞘翅间联接锁定机构的控制机理是相当复杂的,而这些研究成果对航空航天领域中的联接机构结构设计与优化有一定的仿生依据和重要价值。

Ochikarawere studied in morphology. The results indicates that the Oochikara has lateral root primordium and lateral root, and RM109 has no those. The number of pericycle cells in protoxylem of RM109 reduces to the 77% of that of Oochikara ; the number of vessel in metaxylem increases, and the number of vessel Ⅰ is the 149% of that of Oochikara ; the number of vessel Ⅱ is the 321% of that of Oochikara ; and the vessels arrange disorderly.

ochikara的冠根组织形态进行比较,结果表明,大力品种可观察到侧根原基及侧根,而RM1 0 9均无;RM1 0 9的原生木质部间中柱鞘细胞数目减少,为大力的 77%;后生木质部导管数增加,其导管I的数量为大力的 1 4 9%,其导管Ⅱ的数量为大力的 3 2 1 %,且导管排列散乱。

The evolutionary relationships were investgated by comparing the results from molecular data alone or molecular data combined morphological characters using different analysis methods: maximum parsimony by PAUP(superscript *) 4.0 and Bayesian inference by MrBayes 3.0B4. Base composition and ti/tv of 28S rDNA D2 regions were analyzed by PAUP(superscript *) 4.0. The results showed that GC content of the 28S rDNA D2 gene sequences of subfamily Euphorinae ranges from 40.00% to 49.25%. Transversion frequency of sequence variable sites among species of Euphorinae was higher than that of transition. The subfamily Euphorinae was proved to be a paraphyletic group with close relationship to subfamilies Neoneurinae and Cenocoelinae; only two tribes, Meterorini and Microctonini, were proved to be monophyletic groups; Centistini, Cosmophorini, Euphorini and Dinocampini were paraphyletic groups; the basal position of tribe Meterorini within Euphorinae was partially supported by our phylogenetic trees, and tribe Microctonini was proved to be a group at the top of the trees.

结果表明:优茧蜂亚科的28S rDNA D2基因序列片段的GC%含量在40.00%~49.25%之间变动,而对于碱基替代情况来讲,优茧蜂亚科各个成员间序列变异位点上颠换大于转换;不同的分析和算法所产生的系统发育树都表明目前根据形态定义出的优茧蜂亚科Euphorinae不是一个单系群,而是一个与蚁茧蜂亚科Neoneurinae和高腹茧蜂亚科Cenocoelinae混杂在一起的并系群;在优茧蜂亚科内部,悬茧蜂族Meterorini和食甲茧蜂族Microctonini(排除猎户茧蜂属Orionis)为单系群,而宽鞘茧蜂族Centistini、大颚茧蜂族Cosmophorini、优茧蜂族Euphorini、瓢虫茧蜂族Dinocampini为并系群;悬茧蜂族Meterorini在优茧蜂亚科Euphorinae内位于基部位置的观点得到部分的支持,同时食甲茧蜂族Microctonini被判定为相对进化的类群。

As soon as I saw them shipp'd, and gone, I took two Guns upon my Shoulders, and two Pistols at my Girdle, and my great Sword by my Side, without a Scabbard, and with all the Speed I was able to make, I went away to the Hill, where I had discover'd the first Appearance of all; and as soon as I gat thither, which was not less than two Hours (for I could not go apace, being so loaden with Arms as I was) I perceiv'd there had been three Canoes more of Savages on that Place; and looking out farther, I saw they were all at Sea together, making over for the Main.

一见他们上船离开了,我就拿了两支枪背在肩上,两支手枪挂在腰带上,又取了一把没鞘的大刀悬在腰间,尽快向靠海的那座小山上跑去,正是在那儿我第一次发现野人的踪迹。我费了两个多钟头才到达那里,因为我全副武装,负担太重,怎么也走不快。我一上小山就看到,除了我刚才看到的两只独木舟外,还有另外三只在那儿。再往远处看去,只见他们在海面上会合后往大陆方向驶去了。

Suis was found in all identifiable crypt areas; SS2 also appeard in marginal zone and periarterial lymphoid sheath of spleen, hepatic sinusoid of liver, interstitium of lung; presence of SS2 was at the cortex where histopathological lesions and expression of inflammatory mediators were observed.

实验表明,SS2主要定殖于扁桃体的隐窝附近;在脾的边缘区和动脉周围淋巴鞘附近、淋巴结的生发中心和皮质内、肝血窦、肺间质和肾小体中均可见菌体状荧光颗粒;在脑组织中发生脑膜炎的区域,如皮层等可检出细菌。

Culms to ca. 5 m, to 3 cm in diam.; internodes terete, 33–40 cm, initially densely pruinose, yellow-brown and unevenly dark gray powdery when old; wall ca. 8 mm thick; supra-nodal ridge more elevated than sheath scar.

秆与5米的约,在3厘米直径;节间圆柱状,33-40厘米,浓密最初具粉霜,黄褐色和不均匀深灰色敷粉老时;壁约8毫米厚;超级节的脊比鞘痕更多的隆起。

Culm internodes uniformly pruinose; sheath scars yellow setose initially; leaf blades 0.6–1.5(–2.1) cm wide, abaxially proximally gray-yellow pubescent by midrib and on pseudopetiole.

节间均匀具粉霜的Culm;黄具刚毛的鞘痕最初;通过中脉和在假梗上的叶片0.6-1.5(-2.1)厘米宽,背面的下部的灰黄色的短柔毛。

The content of this paper is to simulate some basic characteristics of capacitively coupled RF discharge and to analyze the oscillations of the electrons and the two sheaths with the electrostatic model.

本文利用粒子模拟的静电模型,首先模拟了容性双电极射频放电的一些基本特性,分析了鞘层和电子在两极板间振荡的原因。

Rhizome neck 5–10 cm, 1.8–2.5 cm in diam. Culms to 4 m, 1.5–2.5 cm in diam.; internodes terete, 15–17(–20) cm, initially slightly white powdery, longitudinal ribs absent; wall 2.5–5 mm thick; nodes with level or prominent supra-nodal ridge at branching nodes, slightly white powdery initially; sheath scar prominent, glabrous or initially slightly setose. Branches (3–)7–18 per node, deflexed.

根状茎颈5-10厘米,1.8-2.5厘米直径秆在4米,1.5-2.5厘米直径;节间圆柱状,15-17(-20)厘米,最初有点白色的敷粉,长度的肋骨缺席;壁2.5-5毫米厚;节具水平或突出超级节脊在分枝节,白色敷粉的稍最初;鞘有点最初结疤突出,无毛或。

Culms 5–7 m, 1–2.5 cm in diam.; internodes terete, 35–45 cm, initially white powdery, brown setose immediately below node, white-gray setose above; wall 2–4 mm thick; supra-nodal ridges level or weakly prominent; sheath scar prominent, initially yellow-brown setose.

根状茎颈6-12 厘米秆5-7米,1-2.5厘米直径;节间圆柱状,35-45厘米,最初白色敷粉,棕色刚毛立即在下面节点,在上面白色灰色具刚毛;壁2-4毫米厚;超级节的脊水平或身体虚弱突出;突出的鞘痕,具刚毛的黄褐色的最初。

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