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We consider Lienard equation X + fx'+ g =e and obtain that if and for any periodic function or almost periodic function e it has a periodic solution or almost periodic solution.

本文考虑Lienard方程x十fx'＋g＝e，我们得到：当且时，对于任意周期或概周期。数e，它有周期或概周期解。

For Lienard equation X +fx'+ ex = e, we obtain that if and for any periodic function or almost periodic function e it has a periodic solution or an almost periodic solution.

而对于Lienard方程x＋fx'＋cx＝e，我们得到：当c＞0且时，对于任意周期、或概周期函数e，它有周期或概周期解。

Sure enough, Spirit's alpha particle X-ray spectrometer found Stapledon to be rich in silica, too.

不出所料，勇气号的α粒子 X 射线分光计发现" Stapledon "富含二氧化硅。

He received the Oscar nomination for his brilliant performance of an altar boy accused of Murder in "Primal Fear" and went on to deliver fantastically as a neo-Nazi in "American History X".

他获得了奥斯卡提名，他辉煌业绩的祭坛男孩被控谋杀的"原始恐惧"和继续提供出色的新纳粹分子在"美国历史X "的。

A three-axis electro-optical tracking system can be used to track any space target in all azimuth. It can rapidly and accurately track the target in the altazimuth zenith blind region by rotating X axis.

三轴光电跟踪系统可以全方位跟踪空间目标，在地平式光电跟踪系统天顶盲区内通过转动X轴实现快速高精度跟踪。

The company produces the processing equipment to be advanced, check-out facility excellent, has the numerical control lathe, the numerical control drilling machine, the machining center, the numerical control gear-hobbing machine, the gear shaper, the fine borer, the universal milling machines, each kind of grinder, the table planer, the booklet bender, the large-scale lathe, the mechanical slicer, high intermediate frequency quenching, the well type, the box-type hardening furnace, the tempering furnace, the automatic welding machine, the X-ray crack detection machine, the cloth, the Rockwell tester; Electric hoist test platform, sound-level meter, varnish film thickness gauge, altazimuth, level; The material analysis laboratory, the metallography analysis room and so on full had guaranteed strictly the vehicle, the mill, dig, rub, pull, the boring, to drill, the ramming, cutting, the angle iron, the chemical examination and the heat treatment and so on complete technical process.

公司生产加工设备先进，检测设备精良，拥有数控车床、数控钻床、加工中心、数控滚齿机、插齿机、精密镗床、万能铣床、各种磨床、龙门刨床、折弯机、大型车床、刨床、高中频淬火、井式、箱式淬火炉、回火炉、自动焊机、 X射线探伤机、布、洛氏硬度计；电动葫芦试验台、声级计、漆膜测厚仪、经纬仪、水准仪；材料分析化验室，金相分析室等充分严格保证了车、铣、刨、磨、拉、镗、钻、冲压、切割、弯板、化验及热处理等全部工艺流程。

A protein,produced by specialized ameloblast cells,found in tooth enamel.Distinctive in that the genes for it can be found on both the X and the Y chromosome.Chromosomal location:Xp22.1-22.3 and Y.

一种蛋白质，有特定的成釉细胞细胞制造，可以在牙齿的珐琅中找到，特别之处在于它的基因可以在X和Y染色体中找到，染色体位置：Xp22.1-22.3和Y。

A protein,produced by specialized ameloblast cells,found in tooth enamel.Distinctive in that the genes for it can be found on both the X and the Y chromosome.Chromosomal 本地:Xp22.1-22.3 and Y.

一种蛋白质，有特定的成釉细胞细胞制造，可以在牙齿的珐琅中找到，特别之处在于它的基因可以在X和Y染色体中找到，染色体位置：Xp22.1-22.3和Y。

Karyotype analysis of two patients with X-autosome translocations indicated that Xp11.2 and Xq22 may be associated with primary amenorrhea.

通过对2例X-常染色体易位携带者的分析，认为Xp11.2和Xq22区域可能与原发性闭经有关。

V viewed it,W wanted it,X, Y, Z, and ampersand

U把它翻了个身， V仔细看看它， W想要它， X，Y，Z和

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。