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However, such issues as what effects will be produced by the "inverse parabolic type" landing technique on moving techniques in the entire supporting stage, how to smoothly connect sprint techniques on different racetracks, how to enhance the applicabil-ity of the "reverse parabolic type" technique on cinder and clay racetracks, and how to provide technical diagnosis and guidance for athletes at different levels according to their technical characteristics, figure conditions and com-mon technical characteristics of athletes at the same level, need to be further studied.

而"后扒式"着地技术对整个支撑阶段动作技术有何影响；如何衔接不同场地上的短跑技术、如何在煤渣跑道和泥土场地上提高"屈蹬式"短跑技术的适用性，以及如何根据运动员的技术特点、形态条件及同等水平运动员的共同技术特征，对不同等级运动员做技术诊断和指导等问题有待于进一步研究。

A new dimensionaless parameter, called the threshold-crossing intens ity, is defined as a measure of the threshold-crossing severity, which is equal to the ratio of the product of average number of crossing events per unit time a nd mean threshold-crossing duration and amplitude over the threshold.

定义了一种度量过阀严重程度的新指标，称为"过阀强度"，等于单位时间过阀平均次数、平均过阀延续时间和平均过阀幅值三项乘积与阀值之比。

Second, in the forth part, the writer used relationshipin quasi--variat iona1 inequal ity, pseudo-variational inequality and monotone variational inequality and used the solution of monotone GVIP to solute quasi?variational inequality,pseudo?variational inequality. Also some important conclusion were given.

二。第四部分利用了拟变分不等式、伪变分不等式及强变分不等式之间的关系，利用已知的单调广义变分不等式的解的情况来研究拟变分不等式、伪变分不等式及强变分不等式的解的情况，并得出一些重要的理论。

Methods:116 cases of maxi llofacial fracture wer e evaluated with ISS and revised injury severity score RISS=

116例颌面部骨折病例采用创伤严重度评分法(injury sever ity score，ISS)和RISS法进行创伤严重度评分，RISS=

Conclu sion:(1)Surface densities of PCNApositive cells reached their peaks on 14th day after birth,but the number of apoptotic cells reached its peaks on 21st day p ostnatal,so the apoptotic peak was late the proliferating peak for a week,and related to the particular period in cycle of seminiferous epithelium;(2)The spe rmatogium were found move from center to the periphery of the seminiferous tubule and arrange disorder to order;(3)The spermatogonium remained replicating activ ity of DNA during the developing stage.

生精细胞凋亡的高峰要滞后其增殖峰1周左右，而且与其所处生精周期的特定阶段有关；（2）精原细胞在胚胎发育过程中向曲细精管周边迁移，其排列由无序到有序；（3）在生后各发育阶段中，精原细胞始终保持DNA复制的能力。

Objective To explore the clinical features of the disease of isolated sphenoid sinus and improve the abil-ity of diagnosis and treatment.

孤立性蝶窦病变是指原发于蝶窦并且局限于蝶窦腔内的疾病，没有侵犯周围的比邻结构。

Tissue engineered scaffold ; Recombinant spider silk protein ; Arg-Gly-Asp Poly vinyl alcohol ; Cytocompatibil ity

组织工程支架重组蛛丝蛋白；精氨酸-甘氨酸-天冬氨酸；聚乙烯醇；细胞相容性

Zyme aeti~,ity,the enzyme can also be inhibited by EDTA.Therefore,the low temperature alkaline Droteaseis a DeW type of serine protease.

与其他工业生产菌株所产碱性蛋白酶的性质进行了比较，以期为进一步开发应用奠定基础。

The oxidation of both low and high-activ ity simple and Pt-modified aluminide coatings on nickel base superalloy IN738 h as been studied in static air at 1100℃ up to 1000 h.

研究镍基高温合金的高铝与低铝活度简单涂层和铂改性渗铝涂层在1100℃空气中的氧化行为。

ABSTRACT The oxidation of both low and high-activ ity simple and Pt-modified aluminide coatings on nickel base superalloy IN738 h as been studied in static air at 1100℃ up to 1000 h.

摘 要 研究镍基高温合金的高铝与低铝活度简单涂层和铂改性渗铝涂层在1100℃空气中的氧化行为。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。