一对

A rotor structure for a rotating wing aircraft having substantially rigid rotor head means and rotor blades or wing means arranged in at least one pair, comprising blade angle bearing means (10, 12, 14, 16) for each rotor blade means, tension bar means (6,8) operatively interconnecting the rotor blade means of a pair which blade means are arranged diametrically opposite each other, said tension bar means having a high bending resistance, whereby transmission of bending moments from the rotor blades to the rotor head means is substantially prevented, each of said blade angle bearing means comprising a structure angularly movable in the wing flap direction and in the wing lead-lag direction, at least one of said blade angle bearing means of a pair comprising means permitting an axial motion of the respective tension bar means supported in said blade angle bearing means, and wherein said blade angle bearing means (10, 12, 14, 16) operatively support said tension bar means (6, 8) on said rotor head means (4) for pitch angle rotation of said tension bar means relative to said rotor head means (4), said rotor structure further comprising means (24) securing said rotor blade means (18) to said tension bar means (6, 8) in a manner rigid against rotation of the blade means about the longitudinal blade axis whereby the securing means prevent flapping, drag and lagging movements of the tension bar means, said tension bar means being constructed as torsion bars which are elastic relative to torsion about said longitudinal blade axis.

1转子结构为旋转翼飞机，有大幅刚性转子头部的手段和转子叶片或机翼的手段安排中至少有一对，组成的叶片角度轴承手段（ 10 ， 12 ， 14 ， 16 ）为每个转子叶片的手段，拉杆手段（ 6，8 ）手术互连转子叶片的手段，其中一对刀片的手段都是安排截然相反的对方说，拉杆手段，有一个高弯曲阻力，即传输弯矩从转子叶片向转子头的意思是，大幅防患于未然，每个叶片角度说，轴承的手段组成的一个结构angularly动产在机翼上皮瓣的方向和在机翼导致滞后的方向，至少有一个叶片角度说，轴承是指一对组成的手段，允许轴向的议案，分别紧张酒吧手段，支持在叶片角度说，轴承的手段，其中，叶片角度说，轴承的手段（ 10 ， 12 ， 14 ， 16 ）手术的支持表示拉杆的手段（ 6 ， 8 ）就表示，转子头部的手段（ 4 ）为俯仰角轮换说拉杆手段相对说，转子头部的手段（ 4 ）表示，转子结构进一步组成的手段，（ 24 ）说，确保转子叶片的手段（ 18 ）表示，拉杆手段（ 6 ， 8 ）在一个僵化的方式对旋转的叶片即是说，约纵向叶片轴，即确保手段防止扑，拖曳和落后变动的紧张局势，酒吧的手段，说拉杆手段，正在建造的，作为扭杆这是弹性相对扭转约说，纵向叶片轴。

Arthropoda, Insecta device (a pair of palate; the next 2 pairs of the palate, and the second along the midline of the healing, the formation of the lower lip, a pair of eyes and tentacles; chest three pairs of feet, usually there are one or two pairs of wings; ventral part of section Insecta known for all types of animals.

节肢动物门、昆虫纲器(上腭一对；下腭两对，第二对沿中线愈合，形成下唇、眼和一对触角；胸部有三对足，通常还有一或两对翅；腹部分节Insecta所有种类动物的通称。

And he has a son and daughter, Su-Fang, and Aster is a pair of twins.

而他有一对儿女，便是苏芳和紫苑这一对双胞胎。

A heavy duty tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions each with a bead core therein, the bead core with an aspect ratio (HC 1 /WC) of from 0.43 to 0.58, and a carcass comprising a carcass ply of cords extending between the bead portions and turned up around a bead core in each bead portion from the inside to outside of the tire so as to form a pair of turnup portions and a main portion therebetween, the turnup portion comprising a turnup main-part extending along an axially inner surface, a radially inner surface and an axially outer surface of the bead core smoothly, and a turnup sub-part extending from the turnup main-part toward the main portion near the radially outer surface of the bead core.

本发明公开一种重载轮胎，包括：胎圈部分；一对胎侧部分；一对胎圈部分，每个胎圈部分中具有一胎圈芯，所述胎圈芯的高宽比(HC1/WC)在0.43到0.58范围内；以及胎体，其包括胎体帘布层，该胎体帘布层的帘线在胎圈部分之间延伸并且绕每个胎圈部分中的胎圈芯从轮胎内侧卷绕到轮胎外侧，而形成一对卷起部分以及位于该对卷起部分之间的主体部分，卷起部分包括沿胎圈芯的轴向内表面、径向内表面以及轴向外表面平滑延伸的卷起主部以及邻近胎圈芯的径向外表面而从卷起主部朝主体部分延伸的卷起子部。

The Nerve system of the Mactra chinensis is composed of a pair of cerebral ganglia,pedal ganglia and visceral ganglia.

中国蛤蜊中枢神经系统包括一对脑神经节、一对足神经节和一对脏神经节。

On ornamental boxes everything is also in pairs: a pair of birds, a pair of deer, a pair of ibexes.

在这些装饰盒上，每样东西也都是成双成对的：一对鸟，一对鹿，一对野山羊。

He female reproduction system of parthenogene in Daphnia carinata was consisted of a pair of ovaries、oviducts and female gonopores.

隆线溞孤雌溞的生殖系统由一对卵巢、一对输卵管和一对雌性生殖孔组成。

At the end of the first month, they mate, but there is still one only 1 pair.

在一月底，最初的一对兔子交配，但是还只有1对兔子；在二月底，雌兔产下一对兔子，共有2对兔子；在三月底，最老的雌兔产下第二对兔子，共有3对兔子；在四月底，最老的雌兔产下第三对兔子，两个月前生的雌兔产下一对兔子，共有5对兔子；……如此这般计算下去，兔子对数分别是：1， 1， 2， 3， 5， 8， 13， 21， 34， 55，89， 144，。。。

At the end of the first month, they mate, but there is still one only 1 pair.

&在一月底，最初的一对兔子交配，但是还只有1对兔子；在二月底，雌兔产下一对兔子，共有2对兔子；在三月底，最老的雌兔产下第二对兔子，共有3对兔子；在四月底，最老的雌兔产下第三对兔子，两个月前生的雌兔产下一对兔子，共有5对兔子；……&

All lines showed a chromosome number of 2n = 42, five of them carried botha pair of wheat-rye (Triticum aestivum-Secale cereal ) 1BL/1RS translocation chromosomes and a pair ofAgropyron intermedium chromosomes, three carried a pair of Ai chromosomes only, three otherscarried a pair of 1BL/1RS chromosomes only, and one carried neither 1BL/1BS nor Ai chromosome.

结果表明，12份材料染色体数均为42，其中5份材料均具有一对小麦-黑麦(Triticum aestivum-Secalecereal)1BL/1RS易位染色体和一对中间偃麦草染色体、3份材料只具有一对中间偃麦草染色体、3份材料只具一对1BL/1RS染色体、1份材料无1BL/1RS和中间偃麦草染色体。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。