It researches the regularity of A(geometrical cross section area of valve),Sc(obtained by the definition of effective cross section area of valve),Sa and Sv(obtained by sonic velocity air exhaust method) to the change of the opening of valve,x...

研究了A爱操视屏免费网站，Sc(根據(jù)試驗(yàn)由有效截面積S的定義算出)久久久久久A级片，Sa及 Sv隨閥開度x變化而變的規(guī)律，通過對比探討了求解以上各種有效截面積方法的可靠性及相互關(guān)系等a级黄色一区二区三区免费。

It mainly studys approximate engineering synthesis algorithm about effective cross section area of valve, Sa, which synthesis by geometrical cross section areas of restrictor in valve flow channel.

重點(diǎn)研究了由閥流道節(jié)流口幾何截面積合成閥有效截面積 Sa 的近似工程合成算法为工室特级黄色A片。

It researches the regularity of A (geometrical cross section area of valve), Sc (obtained by the definition of effective cross section area of valve), Sa and Sv (obtained by sonic velocity air exhaust method) to the change of the opening of valve, x. By contrastive method this thesis discusses the reliability and correlation of all methods above for solving effective cross section area of valve.

研究了 A国产午夜久久AV， Sc （根據(jù)試驗(yàn)由有效截面積 S 的定義算出）国产综合无码在线， Sa及 Sv隨閥開度 x 變化而變的規(guī)律，通過對比探討了求解以上各種有效截面積方法的可靠性及相互關(guān)系等欧美日韩二区在线另类。

Leaf blade orbicular-obovate, apex truncate and emarginate or rounded and cuspidate.

倒卵形葉片圓形www.95，先端截形和微缺或圓形和驟尖。 24 A性交舔毛片。 chengkouensis 城口獼猴桃

Petals, stamens and styles 1.5–2 mm; leaf blade abaxially glabrous, apex emarginate or truncate,.

花瓣www.玖玖玖，雄蕊和花柱-2毫米；葉片背面無毛99pom国产熟女，先端微缺或截形很色很黄很污的网站在线看，。 19 C肏丝袜屄影片。 omeiensis 峨眉蠟瓣花

By using the modal superposition method for the dynamic responses calculation of the linear oscillation system, a judging indictor in the energy norm form is given to determine the number of dominant modes on mode truncation .

針對用模態(tài)疊加法計(jì)算結(jié)構(gòu)線性振動系統(tǒng)的響應(yīng)日韩mv在线看成人网站，作模態(tài)截斷的截尾模態(tài)階數(shù)的取值日韩ww频在线免费观看，給出了能量范數(shù)形式的判斷指標(biāo)。

By using the modal superposition method for the dynamic responses calculation of the linear oscillation system, a judging indictor in the energy norm form is given to determine the number of dominant modes on mode truncation.

針對用模態(tài)疊加法計(jì)算結(jié)構(gòu)線性振動系統(tǒng)的響應(yīng)yw国产在线视频在线观看，作模態(tài)截斷的截尾模態(tài)階數(shù)的取值国产精品特黄特级AAAAAA片，給出了能量范數(shù)形式的判斷指標(biāo)。用于小灣拱壩結(jié)構(gòu)的動力分析表明处女开破视频，需取 10階以上的模態(tài)進(jìn)行疊加

We firstly discuss minimal sets characterizations of closed-set lattice , then systematically study the categorical properties of categories CL and PairCL by the means of the join-semilattices closed-set-latticefies, and the constructions of monomorphism, epimor-phism, extremal monomorphism, extremal epimorphism, section, retraction, subob-ject, quotient object, product, co-product, equalizer, coequalizer, inverse limits and direct limits in the categories CL and PairCL are given.

首先討論了閉集格的極小集刻劃欧美大胆一级视频，然后通過并半格的閉集格化這種方法，較為系統(tǒng)地研究了范疇CL及范疇PairCL的性質(zhì)嗯好深啊用力哦啊视频，給出了范疇CL和范疇PairCL的單態(tài)射中国三级黄色片18岁美女全体逼、滿態(tài)射、極端單態(tài)射手机在线免费看黄色片网站、極端滿態(tài)射特级欧美婬片免费高直播播放、截節(jié)、收縮视频:黄片公司、子對象欧美黄色成年网站视频、商對象、極端子對象黄色工厂在线看、極端商對象等特殊態(tài)射和特殊對象的具體刻劃麻豆A片在线观看，并且研究了它們的等化子和余等化子、乘積和余積人人草网、逆極限和定向極限的具體構(gòu)造视频一区二区久久91。

We firstly discuss minimal sets characterizations of closed-set lattice , then systematically study the categorical properties of categories CL and PairCL by the means of the join-semilattice's closed-set-latticefies, and the constructions of monomorphism, epimor-phism, extremal monomorphism, extremal epimorphism, section, retraction, subob-ject, quotient object, product, co-product, equalizer, coequalizer, inverse limits and direct limits in the categories CL and PairCL are given.

首先討論了閉集格的極小集刻劃，然后通過并半格的閉集格化這種方法一级婬片又大又长又粗，較為系統(tǒng)地研究了范疇CL及范疇PairCL的性質(zhì)Ⅴ片视频免费在线观看，給出了范疇CL和范疇PairCL的單態(tài)射、滿態(tài)射男女激情网站、極端單態(tài)射国产精品资源网在线观看、極端滿態(tài)射、截節(jié)色综合91、收縮人人爽人人看人人硬、子對象、商對象噜噜嘿在线无码视频、極端子對象在线等免费看黄片、極端商對象等特殊態(tài)射和特殊對象的具體刻劃，并且研究了它們的等化子和余等化子欧美综合色网站、乘積和余積美国少妇a级、逆極限和定向極限的具體構(gòu)造。

Obtaining the root of the equation is the critical of improving the efficiency. Effective chord secant method was used to determine the root of the quation quickly.

解方程的根是提高截球效率的關(guān)鍵，本文采用高效的弦割法來快速計(jì)算方程的根国产免费一级特黄真人视频大全。