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The microstructure, mechanical properties and hardness of Mg-2% Mn-x%Y alloy were analyzed by optical microscope, mechanical apparatus and sclerometer.

用光学显微镜、力学万能试验机和显微硬度仪等分析了Mg-2% Mn-x% Y合金的显微组织和力学性能。

As you knew, I've been selling the twilight sega in my Y!

你们应该都知道，前两个礼拜我忙著在Y！

With famous manufacturers with low-speed universal motor Y series of standards, run smooth, low noise.

配用国内著名厂家生产的低速Y系列标准通用电机，运行平稳、噪音极低。

F. pumila had the strongest capacity to adhere to walls, and it formed a quite good covering landscape by means of a large quantity of adventitious roots. Furthermore, it was tolerant to shade, and the effects of shading on its growth and landscape covering were very small. P. heterophylla had the rapidest growth and covering speed, and it adhered to walls by adhesive discs, but was defoliated in winter or after a long period of shading. The other three vines climbed walls using adventitious roots, and their adhering capacities were all relatively poor. However, E. fortunei still formed a relatively good covering due to its rapid growth and emerald leaf colour. After shading for four months, leaves of F, pumila, C. grandiflora, and P. serpens became thin, and accordingly their leaf weight per unit area significantly decreased. Shading also reduced chlorophyll contents of C. grandiflora and E. fortunei but enhanced those of F. pumila and P. serpens, It did not influence leaf thickness, leaf weight or chlorophyll content of P. heterophylla. Whether shaded or not, the relationship between Pn and PAR for each species could be expressed as y=alnx+b, and furthermore there was a significant (P.01) correlation between them. Pn and LCP values for all five lianas also significant (P.01) correlated. Shading reduced LCP values of P. heterophylla, C. grandiflora and E. fortunei but increased LSP of F. pumila.

结果表明，1薛荔对墙体附着力最强，它依靠大量的不定根吸固在墙体上，形成很好的覆盖效果，而且薜荔耐荫，遮光对其生长与覆盖的影响很小；爬墙虎的生长与覆盖速度最快，它主要依靠吸盘吸固墙壁，但在冬季或长时间遮光后出现明显落叶现象，影响其覆盖景观；其他3种都依靠不定根沿墙面攀援，附着力相对较差，但扶芳藤由于生长较快，叶色终年保持翠绿，也能形成相对较好的覆盖效果；2遮光4个月后，薛荔、凌霄和蔓九节的叶片变薄，相应地这3种植物单位面积的叶片重量都显著减轻；遮光还使凌霄和扶芳藤的叶绿素含量减少，使薛荔和蔓九节的增加，但对爬墙虎的叶片厚度、叶重和叶绿素含量都不产生明显影响；3无论遮光与否，5种植物的Pn与PAR之间的关系都可用y=alnx+b表示，并且都达极显著相关，Pn与光补偿点之间亦呈极显著相关；遮光还使爬墙虎、凌霄和扶芳藤的LCP下降，并使薛荔的光饱和点升高。

ZFY gene is isolated and cloned from the sex determining region of Y chromosome.

1ZFY基因是从Y染色体上性别决定区分离出来的

But more than 30% of the DNA differs between chimps and humans in the region of the Y chromosome that determines sex.

大卫·佩吉说，这表明自从600万年前人类和黑猩猩从同一个祖先分化出来后，Y染色体走过了不平凡的重组之路。

The sex chromosome that comes from the father could be one of two types, X for a girl, or Y, a much smaller chromosome, for a boy.

来自父亲的性染色体有两种形态：女孩是X，男孩则是 Y ，一种更小的染色体。

We wish to advise that the following number of shares are offered to you and upon acceptance will be issued with new share certificate to you according by Y HE.

我们要提醒以下的股票数量是向您提供并经接受将发行新的股票证书给你的Y据何。

The shearing feature on plane Y was obtained and the mechanism of shearing deformaion was explained.

通过显微组织观察，得出了Y平面上的剪切变形特征，并解释了剪切变形的成形机制。

Then, do a simple regression of y on to obtain .

然后，将y向进行简单回归得到。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。