A . There is a ball － pen and a pencil .

這里有一支圓珠筆和一支鋼筆。

Is it a pen, a pencil or a ball-point pen?

它是鋼筆日韩在线精品福利网站视频，鉛筆還是圓珠筆色色色色色色色色色色色色色色色色色色色？

According to the type of pencils, look from exterior much like ordinary ball-point pen, pencil, it has the incomparable tradition.

據(jù)了解，該型號(hào)的鉛筆從外觀上看很像普通的圓珠筆国产一级一级A一级A级，它具有傳統(tǒng)鉛筆無(wú)法比擬的賣點(diǎn)怕怕怕18成禁人视频免费。

3Filed document script must be standard, specific, clear handwriting and written by ballpen and pencil is forbidden.

10.8.3歸檔文件資料底稿必須做到標(biāo)準(zhǔn)化、規(guī)格化黄色网址在线免费、字跡清楚久久精品A片777777，禁止使用圓珠筆和鉛筆書寫

"I use a pencil at work because I make too many mistakes, a ballpen for checking finances but a fountain pen when I need to sign anything personal or of importance," says Mark Ivory, director of sales for pen brand Cross.

筆品牌高仕的銷售總監(jiān)馬克·艾沃里指出："我工作的時(shí)候用鉛筆，因?yàn)槲页鲥e(cuò)太多毛片网站观看，查賬的時(shí)候我用圓珠筆黄页网站视频操出液体，但是，當(dāng)我需要簽署一些私人文件或重要文件時(shí)YY6080午夜福利理论中文，我會(huì)用鋼筆免费美国黄片。"

Is this a mechanical pencil or a ballpoint pen?

這枝是自動(dòng)鉛筆還是原子筆？

In this paper, an extended divide and conquer algorithm is intended proposed, which is for solving the real symmetric band generalized eigenvalue problem under distributing environment Eigenvalue partition theorem is presented and proved Based on divide and conquer by extension, this algorithm computes generalized eigenpaires of symmetric band matrix pencil by bisection and generalized Rayleigh quotient iteration Theoretic analysis and numerical results show that this algorithm is better than the classic software package LAPACK when bandwidth is small and the scale is large Combined with multisection, which has good parallelism, it got good effects under distributed environments

提出了分布式環(huán)境下計(jì)算對(duì)稱帶狀廣義特征值問(wèn)題的一種擴(kuò)展分治算法男人天堂无码专区，給出了特征值分割定理及其證明算法在擴(kuò)展分治的基礎(chǔ)上欧美作爱在线网站视频，利用二分壓縮結(jié)合廣義Rayleigh商迭代計(jì)算廣義特征對(duì)理論分析和數(shù)值實(shí)驗(yàn)表明，對(duì)于窄帶寬大規(guī)模的廣義特征值問(wèn)題久久婷丁香五月激情综合，該分治算法明顯優(yōu)于LAPACK軟件包結(jié)合并行性好的多分法久久99视频久，在分布式環(huán)境下獲得了很好的并行效果1 引言本文研究了對(duì)稱帶狀廣義特征值問(wèn)題Ax =λBx ( 1)的并行計(jì)算，其中日本熟妇XXXX乱，A 孕妇精品AⅤ在线，B均為半帶寬為r的n階實(shí)對(duì)稱帶狀矩陣且其中之一是正定的本文總假設(shè)B是正定的求解此問(wèn)題有兩種傳統(tǒng)方法，第1種方法是通過(guò)計(jì)算矩陣B的Cholesky分解爱干AV在线，將問(wèn)題( 1)轉(zhuǎn)化為標(biāo)準(zhǔn)特征值問(wèn)題[1～3] 美女久久三级视频网站，進(jìn)一步

Due to excessive exploitation over many years,the amount of basswood cannot meet the great demand of pencil production any longer.

由于長(zhǎng)期過(guò)度的開采，極木已不能滿足鉛筆生產(chǎn)的巨大需求色福利3p。

As basswood is smooth and easy to cut,it is commonly used in pencil manufactories to make lead holders. For 7 billion pencils 3 million basses will be cut down a year.

由于極木具有木材細(xì)致国产一级特黄aa毛片、容易切削的特點(diǎn)，目前生產(chǎn)制作鉛筆的廠家都以極木做筆桿材料。70億支鉛筆就意味著每年有300萬(wàn)株天然優(yōu)質(zhì)根木遭砍伐日本黄页网站免费大全37699。

Whether it's a pin or a battleship, it is first rendered with a pencil.

因?yàn)? Tt t 8欧美久久性情一级A片。 com 一個(gè)智者曾經(jīng)這樣評(píng)述"一切都開始于一支鉛筆，無(wú)論它是一個(gè)別針還是一艘戰(zhàn)艦网友自拍日韩经典视频，它的第一個(gè)表述都來(lái)自一支鉛筆狼友视频在线播放。"