Taking the nonlinear refraction and the nonlinear absorption into account simultaneously, this paper investigated the diffraction theory model of the Z-scan technique, and analyzed the features of Z-scan curves and their variation rules.

在同時考慮非線性折射和非線性吸收的情況下日韩美乳无码观看网站免费，借助光的衍射理論，研究了Z-掃描技術(shù)的衍射理論模型正在播放国产一级特黄，分析了非線性折射和非線性吸收同時存在時Z-掃描曲線的形狀特征和變化規(guī)律91自拍偷拍论坛欧美性爱。

Methods: Uses the atomic absorption flame law immediate determinant, simultaneously when sample digestion has used the strong ammonia water precipitation, also uses the 250 ml kelvin nitrogen bottle digestion law.

采用原子吸收火焰法直接測定，同時在樣品消化時采用了濃氨水沉淀国产91精选无码观看，又用250 ml凱氏氮瓶消化法手机看黄色网站亚洲。

Simultaneously may reflect directly the computation the process, can help its utilization in mathematics teaching the student to establish gradually from concrete to the abstract the number concept and the direct operation, sharpens the computing power, logical thinking ability and the spatial imagination unceasingly, to student's intelligence and the skill training will certainly the positive function.

同時可以直接反映計算的過程，將其運用在數(shù)學(xué)教學(xué)中能夠幫助學(xué)生從具體到抽象逐步建立起數(shù)的概念并直接運算国产在线AAAAAA片，不斷提高計算能力久久99高清视频、邏輯思維能力及空間想像力，對學(xué)生的智力及技能的訓(xùn)練必將起到積極的作用高清无码aaaaa特级黄色视频免费看视频。

The differential eguations and boundary conditions are established, based on these hypotheses. The theoretical formulary about sample atom number with different diffusion coefficient are reasoned out; the relationship between the isotope abundance ratio and the sample wastage of melting and solid samples and the samples simultaneously at evaporation and decomposition are discussed in theory.

根據(jù)這三條假設(shè)建立了樣品原子數(shù)的微分方程及邊界條件禁18岁黄色视频在线观看，推導(dǎo)出了不同擴散系數(shù)的樣品原子數(shù)的理論公式，從理論上討論了熔融態(tài)国产女同一区二区在线视频、固態(tài)樣品以及蒸發(fā)分解同時發(fā)生的樣品同位素豐度比與樣品消耗量間的關(guān)系欧美视频在线视频免费观看免费观看免费。

The World Trade Organization was precisely acknowledged the technical trade barrier reasonable permitted its existence at the same time, simultaneously also saw the technical trade barrier unreasonable has at the same time formulated "Technical Trade Barrier Agreement", came the standard and limits various member nations the technical trade barrier behavior, guarded against stops appears to technical trade barrier abusiveness

世界貿(mào)易組織正是承認了技術(shù)性貿(mào)易壁壘合理的一面而允許其存在，同時也看到了技術(shù)性貿(mào)易壁壘不合理的一面而制定了《技術(shù)性貿(mào)易壁壘協(xié)議》av黄色免费观看，來規(guī)范和限制各成員國的技術(shù)性貿(mào)易壁壘行為毛片大全免，防止出現(xiàn)對技術(shù)性貿(mào)易壁壘的濫用

Simultaneously, the academe has made a series of research and discussion.

同時，學(xué)術(shù)界也已經(jīng)針對審批制度改革展開了一系列的研究和討論人人澡人人摸人人舔人人看。

All the cubes will be dropped simultaneously however, so cubes higher up will be travelling faster by the time they reach the ground due to the increased acceleration of gravity acting upon them.

所有的立方盒將同時掉下來在线观看网址黄色，因此由于時間關(guān)系較高的立方盒的重力加速度也較快。

In the experiment construction of fundamental accounting course in the industry science universities and colleges,the manual accounting principle and EDP accounting principle should be developed simultaneously,not merely teach the basic principle of account keeping about manual accounting,but strengthen the basic principle of account keeping about EDP accounting.

1加強會計實驗的必要性和重要性諾貝爾獎獲得者在免费jIzzjIzz在线视频网址、實驗物理學(xué)家丁肇中教授曾說："自然科學(xué)理論不能離開實驗的基礎(chǔ)……我希望由于我的這次得獎自拍偷拍2018，能夠喚起發(fā)展中國家的學(xué)生的興趣，從而注意實驗工作的重要性"AV-级福利黑白配久久；著名物理學(xué)家馮端院士也講国产一极免费在线视频，"實驗室是現(xiàn)代化大學(xué)的心臟……實驗室的重要性，再強調(diào)也不過分"黄片mmm播放。

Accounting internationalization simultaneously asked for internationalization of Accounting for Cash Flow Statement.

會計的國際化同時要求現(xiàn)金流量表會計的國際化欧美日韩精品久久久久久。

And it's hard to get the cooperation of individuals who you are simultaneously investigating and accusing of crimes.

"它的難求的合作，個人你是誰人人摸人人干，同時進行調(diào)查97人人操网站，并指控的犯罪"。