The average lengths of polar axis of Ferula and Heracleum are 29.67 and 34.07μm in which there are significant difference by rank-sum test, but the average width of equatorial axis are 17.07 and 15.65μm in which there are no significant difference, furthermore, the L/W are 1.76and 2.19 in which there are significant difference.

阿魏屬和獨(dú)活屬植物的極軸平均長(zhǎng)度分別為29.67μm和34.07μm，秩和檢驗(yàn)表明二者差異顯著69国产精品视频免费AAAA；赤道軸平均長(zhǎng)度17.07μm和15.65μm国产一级毛片AAA高清，差異不顯著；極軸長(zhǎng)/赤道寬的平均值分別為1.76和2.19又粗又硬又黄的淫秽视频，差異顯著高潮喷水网站。

In this study,we focus on the interaction between nuclear modifier gene MTO2 and aminoglycosides,and have received the following innovations.1,We here report first that the knockout of MTO2 significantly inhibited mtDNA p_(454)~R mutant's sensitivity to aminoglycoside antibiotics.Here are the results:(1)In neomycin GYP medium,when mitochondria genes were wild type,whether MTO2 knockout or not,the growth of yeast strains has no significant difference;when mitochondria genes were complete deletion,whether MTO2 knockout or not,the growth of yeast strains also has no significant difference;Interesting,when mtDNA P_(454)~R,wild-type MTO2 strains were hardly survival in neomycin GYP medium,but the growth of MTO2 knockout strains were only partly inhibited,there was a significant difference performance of neomycin sensitivity between them.

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In this paper, based on an optimum difference operator for spatial differential given by Holberg, an optimum difference method of modeling crosswell elastic wavefield is put forward, which adopts the staggered-grid technique and calculates the wavefield at different grid points. When the half length of optimum difference operator is taken as four to six points, the required number of grid points per wavelength equals to three, crosshole elastic wavefield numerical modeling can attain satisfied accuracy.

本文以Holberg提出的一種空間微分的最佳差分算子為基礎(chǔ)，采用交錯(cuò)網(wǎng)格技術(shù)亚洲一级精品无码AV，提出了一種模擬井間彈性波場(chǎng)的最佳差分法人人爽,人人操人人，該方法能在大空間網(wǎng)格點(diǎn)上得到精確的波場(chǎng)值，當(dāng)最佳差分算子的半長(zhǎng)度取4～6個(gè)點(diǎn)，每個(gè)波長(zhǎng)只采3個(gè)樣點(diǎn)時(shí)性欧美激情视频免费观看，井間彈性波場(chǎng)的模擬就可以得到滿意的精度啊啊啊啊国产一区在线观看，其計(jì)算速度比常規(guī)有限差分法至少快一個(gè)數(shù)量級(jí)。

The large altitude difference of the hypsography, the fragmental topography, the difference of exposure and the valley cause the difference of the part climate which make the orographic rain , the topography wind and the temperature inversion.

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In this paper, a high order accuracy difference method is presented for solving unsteady convection diffusion equation by using Implicit Perturbation Finite Difference scheme. Firstly, we use the steady convection diffusion equation, the constant coefficients of this equation are expanded to power series of grid-spacings, then the high-order Perturbation Finite Difference scheme is obtained by determining the coefficients of the power series. Put this scheme on unsteady convection diffusion equations and modified it, the IPFD scheme is constructed.

本文利用攝動(dòng)差分思想，對(duì)定常對(duì)流擴(kuò)散方程中的空間微商系數(shù)進(jìn)行攝動(dòng)展開肥女人一级A片免费视频，展開冪級(jí)數(shù)系數(shù)通過(guò)消去攝動(dòng)格式修正微分方程的截?cái)嗾`差項(xiàng)求出9cao在线播放精品日韩，由此獲得方程的隱式攝動(dòng)差分格式，將此方法應(yīng)用于非定常對(duì)流擴(kuò)散方程色黄乱婬伦AV，并加以修正桃花色综合影院，得到該方程的修正隱式攝動(dòng)差分格式。

Quantifying similarity/difference between two objects plays an important role in many contexts The quality of the similarity/difference scores can be improved by considering the semantic information related to the features of objects A flexible semantic distance function called X Dist is proposed, which can utilize the semantic information to measure the difference between two objects based on a solution to the transportation problem from linear optimization With a ground distance function for single features being a metric, X Dist is also a metric This property is very useful for making searching efficient, but is not investigated in the previous research Moreover, the experimental results show X Dist can be as good as the previously studied similarity measures in nearest neighbor searching, discriminative power and computing speed

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If the minuend is larger than the subtrahend, the difference will be positive; if the minuend is smaller than the subtrahend, the difference will be negative; and if they are equal, the difference will be zero .

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Distribute the nonrecognition class difference according to one's performance, the physical labour difference admitting people and the individual consumer's goods coming into being from this are assigned and better-off degree difference.

按勞分配不承認(rèn)階級(jí)差別，只承認(rèn)人們的勞動(dòng)差別及由此產(chǎn)生的個(gè)人消費(fèi)品分配和富裕程度的差別。

Chapter 2, we investigate the existence of multiple positive solutions of the neutral partial difference equations on the base of the existed results of partial difference and difference equations, and obtain some sufficient conditions for the existence of multiple positive solutions.

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Such a difference may be categorized as permanent difference and temporary difference.

產(chǎn)生的計(jì)稅差異可分為永久性差異和暫時(shí)性差異。