The root mean square of the primary mirror is affected by many problems, such as deadweight, deformation of heat and so on.

因此国产v亚洲v欧美v专区，在保證系統(tǒng)精度的同時(shí)日韩欧美国产精品，要盡可能的減少結(jié)構(gòu)重量久操视频福利在线，所以在設(shè)計(jì)階段就要根據(jù)光學(xué)系統(tǒng)的技術(shù)要求及影響因素對(duì)主反射鏡的支撐方案進(jìn)行綜合考慮和全面分析人人操V潮，使其結(jié)構(gòu)設(shè)計(jì)更為合理国产真实偷乱视频老人。

The effect of coating ingradient on arc stability and slag detachability for basic electrode is discussed; and the status of current research on effect of coating ingradient on welding technology for basic electrode abroad is reveiwed.

利用光譜分析和掃描電鏡對(duì)高硬度鋼質(zhì)堆焊層金屬進(jìn)行分析日韩国产欧美精品，采用修正后的焊條藥皮重量系數(shù)計(jì)算公式計(jì)算出Nb、Tiwww.美女中文字网络、V的過渡系數(shù)精品日韩手机版视频在线观看，討論了上述元素在堿性焊條中過渡系數(shù)的影響因素，初步得出Nb九九视频在线观看A片国产、Ti欧美一区精品在线、V的過渡規(guī)律。

Slag detachability of new slag system basic electrode ;2. Weld fume quantity and emission rate of new slag system basic electrode ;3. It was discussed about the influence of the mentioned elements on the transition coefficient of basic electrode .

利用光譜分析和掃描電鏡對(duì)高硬度鋼質(zhì)堆焊層金屬進(jìn)行分析狼人av在线，采用修正后的焊條藥皮重量系數(shù)計(jì)算公式計(jì)算出Nb操人人操操、Ti、V的過渡系數(shù)www.xxxxx欧美，討論了上述元素在堿性焊條中過渡系數(shù)的影響因素干人网国内在线视频观看，初步得出Nb、Ti欧美在线激情丁香、V的過渡規(guī)律欧美精品免费专区在线观看。

The results showed that the weight and Ca, Mg, K content of single fruitlet increased with the fruit development.

以"富士"、"金冠"蘋果樹為試材人人摸人人做人人操，分析了同一花序不同部位的果實(shí)重量免费午夜福利理论电影，Ca、Mg、K含量和果柄結(jié)構(gòu)的變化自拍另类日韩欧美图片小说，以期探討果柄發(fā)育和幼果Ca日本高清不卡网址、Mg、K吸收之間的關(guān)系及其在幼果脫落中的作用欧美日韩国产高清视频二区。

In the light of all kinds of structural faces and their assembles along tunnel, the place and growth depth of instable cuneiform body in tunnel wall rock could be predicted, then its volume and weight of instable cuneiform body are estimated based on the equator plane projecting method and the solid body ratio geometry method, which offers reliable geologic data for designing corresponding supporting measure.

摘要利用赤平投影法和實(shí)體比例幾何法分析隧洞圍巖穩(wěn)定性黄色丝袜网站，根據(jù)隧洞沿線所遇結(jié)構(gòu)面相互組合形式，預(yù)測(cè)隧洞圍巖不穩(wěn)定楔形體的位置及其發(fā)育深度在线免费看在线免费能看的av，從而估算不穩(wěn)定楔形巖塊的體積和重量黄色在线观看www，為設(shè)計(jì)相應(yīng)的支護(hù)措施提供可靠的地質(zhì)依據(jù)。

A Some environmentalists are against the project on biological grounds.D They're what will keep the bridge from going anywhere.F They will tip up the scales at 166, 500 tons more than half the bridge's total mass.It is not just their length totally 5.3 kilometers but their weight.

F在线观看黄色免费av。 分析：思路特點(diǎn)：注意空格后句中的詞語(yǔ)使用特點(diǎn)：空格前出現(xiàn)了their length国产精品最新高清网址， their weight，因此判斷their可能指"橋"一级毛片r级在线播放，剩下的選項(xiàng)中：F中提到了有關(guān)重量的數(shù)據(jù)166www刺激高潮com， 500 tons，因此F是答案美国一级做受。

A some environmentalists are against the project on biological grounds.d they're what will keep the bridge from going anywhere.f they will tip up the scales at 166, 500 tons – more than half the bridge's total mass.it is not just their length –totally 5.3 kilometers – but their weight.

f在线网址你懂。 分析：思路特點(diǎn)：注重空格后句中的詞語(yǔ)使用特點(diǎn)：空格前出現(xiàn)了their length， their weight中文字幕欧美三区在线观看，因此判定their可能指"橋"精品国产三级在线看，剩下的選項(xiàng)中：f中提到了有關(guān)重量的數(shù)據(jù)166， 500 tons亚洲色图你懂的，因此f是答案日日人人狠狠澡碰。

Titrimetry and gravimetry are widely used in standardization processes due to the extremely accurate, although instrumental techniques have superseded them in most routine and general analytical investigations.

由于滴定法和重量法具有很高的準(zhǔn)確度，廣泛應(yīng)用于標(biāo)準(zhǔn)化過程影音先锋每日资源网，雖然在大多數(shù)常規(guī)的和綜合的分析研究中已被儀器技術(shù)所替代色网你懂的。

With SPSS software, this paper also makes a detailed stepwise regression analysis of total oil consumption per 50 kilometers ( 2 y ) and its seven key influencing factors, including mileage ( 1 x ), the number of goods carried ( 2 x ), cargo weight ( 3 x ), loaded one-way trip mileage ( 4 x ), carrying rate ( 5 x ), whole-trip kilometers utilization rate ( 6 x ) and the age of vehicles.

通過使用SPSS，這篇論文對(duì)總耗油量（y1）及其七個(gè)重要的影響因子做了詳細(xì)的逐步回歸分析婬过年系列新春下药在线观看。這七個(gè)影響因子包括英里數(shù)（x1）又粗又长又硬又爽免费视频、貨物載運(yùn)量（x2）、貨物重量（x3）西西人体久久、滿載時(shí)的單程英里數(shù)（x4）大陆精大陆国产国语精品图片、運(yùn)載速率（x5）、全程英里使用率（x6）以及運(yùn)輸工具的壽命色色色色色男人视频网站。

Then it uses beam unit to analyze and calculate the simplified tripper steel structure model,compares the pre and post optimization models stress,displacem...

然后利用梁?jiǎn)卧獙?duì)簡(jiǎn)化的空間尾車鋼結(jié)構(gòu)模型進(jìn)行有限元靜力和模態(tài)分析計(jì)算欧美丰满熟妇站立XXXXX，對(duì)優(yōu)化前后2種模型的應(yīng)力、位移国产刺激性爱视频、重量及基頻進(jìn)行了比較wwww.wwwww在线黄色视频。，從而進(jìn)一步驗(yàn)證了對(duì)尾車鋼結(jié)構(gòu)進(jìn)行拓樸優(yōu)化的可行性和優(yōu)化結(jié)果的合理性欧美性爱一级片A片。