variation 中文意思是什麼

No one supposes that our choicest productions have been produced by a single variation from the aboriginal stock.

沒有人設想我們精選的產物，是從它們的原種僅經一次變異而產生的。

In the present study, aflp ( amplified fragment length polymorphism ) markers was used to examine population of abies yuanbaoshanensis in order to understand the level of population genetic variation and genetic structure. the result would help to evaluate its evolutionary potentiality and the degree of being endangered and could provide scientific basis for making right protection strategy. high - quality dna was extracted using ctab method from those tender leaves of forty - three fully - developed trees in population abies yuanbaoshanensis

本研究選用一種高效的檢測遺傳變異的分子標記? ? aflp技術來分析元寶山冷杉種群的遺傳多樣性，旨在了解該種群在分佈區內的遺傳變異水平和遺傳結構情況；研究結果將有助於更清楚地認識這一瀕危類群的生存潛力和瀕危程度，而且可以為制定何種挽救和保護措施提供科學的依據。

Subsequently by taking “ ancient - style poems ” as center, make an exploration into the acceptant condition of traditional poems collection to canons in the preceding dynasties at the time of “ canon ” being established, from a comprehensive view by editor ' s selection basis, arrangement of collection and readers ' acceptability : among which the “ ancient poems collection ” to the superficial succession and meaning transfer of tu ' s poems canon as well as to the polemic interpretation and conclusion of five - character and seven - character poems canon, and the acceptability and misreading of “ poems of transcription in modern style ” in the mid of ching dynasty to “ ancient poems collection ”, all of which are sufficient to verify the alternative of “ canon ” for traditional poems collection that most of them adopt measures of succeeding canon in early times first, then making an increase and reduction ; while the selection of canon takes “ direct variation of polemics ” as premise, followed by a consideration of degree of art values ; it can be the concrete index of trend to make comments on poems on the selection and interpretation of canon for masters of each school

其後，再由綜觀編者評選基準、選集編排、讀者接受等多重角度，以王士禎《古詩選》為中心來探究常規詩選集在創建典律時，對前代典律的接受狀況：其中由《古詩選》對杜詩典律的表面繼承與意義轉移、對五古、七古詩典律的辨體詮釋與總結，以及清中葉《今體詩鈔》等選集對《古詩選》的接受與誤讀…等，皆足以驗證常規詩選集的典律交替，大多採取先繼承前代、再漸進轉換新典律的作法；且其典律的選立每先以辨體之正變為前提，再考量藝術價值的高低；而於各體名家典律的選擇與詮釋上，則通常可作為其論詩趨向的具體指針。

The variation of the return rate constant k with different absolute temperature t deviates arrhenius empiric equation

反應速率常數隨絕對溫度的變化基本上符合阿累尼烏斯定理。

According to the seasonal variation analysis, the fishing seasons of amberjack ( seriola dumerili ), yellow - fin trevally ( caranx ignobilis ), blue - striped runner ( elagatis bipinnulatus ), big - eyed scad ( trachurops macrophthalmus ), korean mackerel ( scomberomorus koreanus ), chinese mackerel ( s. sinensis ), hairtail ( trichiurus haumela ), unicorn filefish ( aluterus monoceros ), angel sharks ( scoliodon walbeemii ), round scad ( decapterus maruadsi ) and small spot pompano ( trachinotus baillonii ) were significantly affected by different types of set - net construction

其中紅甘? 、雙帶? 、中華馬加? 、薄葉單棘? 、尖頭鮫、銅鏡?及斐氏黃臘?等漁期提前；浪人? 、白? 、高麗馬加?及白帶魚之盛漁期延後；而白帶魚及薄葉單棘?更分別于各自的盛漁期成為當月份的優勢漁獲物。

We found that tio2 thin films are a amorphism when they are not annealed ; they are anatase when annealed at 300 c ; rutile occured be anneled at 700 ; ti02 thin films are transformed into rutile completely when be anneled at 1100. oxygen - sensing properties of tio2 thin films were analysised, and we found the variation law of sensitivity with the partial pressure of o2 and temperatures. sensitivity increases with po2 / ( po2 + pn2 ) at a constant temperature. the higher working temperature is, the slower sensitivity increasing with po2 / ( po2 + pn2 ) is

對tio _ 2薄膜氧敏器件特性進行了分析，發現靈敏度隨工作溫度和氧分壓變化的規律， 400以上時，在一定工作溫度下，隨氧分壓的增加，靈敏度逐漸升高；工作溫度越高，隨p _ （ o _ 2 ） （ p _ （ o _ 2 ） + p _ （ n _ 2 ） ）的增加，靈敏度增加越緩慢，在400下靈敏度隨氧分壓增加最快；在我們所測試的工作溫度點中， 400時具有最高的靈敏度，相對於他人的工作此溫度是比較低的。

The variation of ultimate tensile strength with length for amosite crocidolite, chrysotile is shown in table 2. 10.

鐵石棉，青石棉和溫石棉的極限抗拉強度隨長度的變化情況見表210

The variation of ultimate tensile strength with length for amosite crocidolite, chrysotile is shown in table 2. 10

鐵石棉，青石棉和溫石棉的極限抗拉強度隨長度的變化情況見表2 10

Variation anatomic forms of radial nerve : a report of 1 case

橈神經解剖形態變異1例

Results show that : ( 1 ) for each particle size of andalusite, variation tendency of the properties of the material is generally the same : the maximum of bulk density, compressive strength and rupture strength appears in the range of 5 % - 10 % content of fiber, these properties of the material remarkably decrease as the fiber content exceed 10 % ; while at the same fiber content, the properties of the material increase with the increase of firing temperature

結果表明： （ 1 ）對于不同粒度的原料，性能變化規律大致相同：在同一燒成溫度下，體積密度、常溫耐壓強度、常溫抗折強度在5 10之間出現峰值，加入量超過10之後材料的性能明顯下降；在相同的纖維含量下，隨著燒成溫度的提高，試樣的各項性能均有所上升。

The air flow will have some variation of angularity.

風的流向將有一定程度的變化。

Spatio - temporal character of antarctic sea ice variation

南極海冰的時空變化特徵

In view of the variation in the dip, here could be a local anticlinal fold.

鑒于傾斜方向的變化，此地可能存在一個局部的背斜褶皺。

To corner feature, both gradient magnitude change and direction change of gradient vector are discontinuity in a local image neighborhood, hence gradient - direction variation and gradient magnitude are used as another decision rule of the corner detection to improve antinoise

為了提高抗噪聲，根據角特徵不僅灰度變化是不連續的，且相對周圍其他點的梯度方向也是不連續的，提出利用梯度角變化和梯度幅值作為角特徵檢測的另一個準則。

And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。

This normal variation in rhythm is known as sinus arrhythmia.

節律的這種正常變化稱為竇性心律失常。

The results show that : l ) there are three anomalous high temperature areas and three anomalous low temperature areas, and the whole area high temperature anomaly took place in the late 1980s, whereas the low temperature anomaly in the 1970 ; 2 ) the spatial mode manifests identical variations in the whole area, and the temporal coefficient curve is of 2 - 3 year period oscillation and an interdecadal abrupt in the late 1970s ; 3 ) the variance of interdecadal component is obviously larger than that of interannual in the most part of nespa ; 4 ) the interdecadal variation of the temperature is mainly linear ascendance in the late 1970s, the large range anomalous high ( low ) temperature occurs when the interdecadal and interannual anomaly are both positive ( negative ) in the year ; 5 ) the temperature anomaly is divided into four patterns : southern, northern, eastern and western patterns, in which the interdecadal variation of the southern and western patterns is relatively importance and the interannual variation of eastern and northern pattern is relatively importance

本文用夏季（ 6 - 8月）中國東北地區91個測站44年氣溫資料，對該區夏季氣溫的氣候平均和異常場進行分析，採用諧波分析將異常變化的年代際、年際尺度分量分離，分別分析兩種尺度上氣溫異常的時空特徵，最後應用reof進行了氣溫異常的區劃，研究局域異常變化的年代際、年際分量的變化特徵。結果發現： 1 ）東北夏季有三個異常高溫高發區和三個異常低溫高發區。全區性異常高溫（低溫）階段出現在上世紀80年代后（ 70年代） 。

By combining with the machining needs of parallel machine tools, the working space and the law along with the variation of its autorotation angle were studied

結合併聯機床的加工要求，研究了工作空間及其隨自轉角的變化規律。

Backlash variation tolerance

側隙變量公差

There has been many papers to discuss the in - medium quark and gluon condensates in nuclear matter which use the models with su ( 2 ) l su ( 2 ) r sym - metry. now, we make use of the chiral model su ( 3 ) l su ( 3 ) n including the baryon octet to discuss the quark condensate < qq > in strange matter, where q is an up or down quark field. on the one hand, from the experimetal data, it is found that < qq > vac = - ( 225 25mev ) 3, on the other hand, with the hellmann - feynman theorem, quark condensate can be evaluated on the hadronic level. in this paper, we will investigate the quark condensate in strange matter with the chiral symmetry su ( 3 ) l x su ( 3 ) rspontaneous breaking lagrangian to obtain the variation of the quark condensate in the strange matter when the baryon number change. it can be applied to understand the neutron stars when the neutron star are considered to be constructed by the strange matter. because nertron stars are homogeneous and at very low temperature, we will use the mean - field approximation and zero temperature throughout this paper

鑒于已有大量文獻討論了核物質中的夸克凝聚，本文將討論在奇異物質中的夸克凝聚。而在介質中的夸克凝聚的基本公式可由hellmann - feynman理論導出，所以運用手征對稱自發破缺拉氏量以及平均場近似，我們就可以討論在奇異物質中的夸克凝聚，由所計算的結果表明： （ 1 ）奇異物質中的夸克凝聚隨奇異物質密度的增大而單調減小。 （ 2 ） -凝聚的出現對衰減率有影響。