variation n. 1.變化,變動(dòng)。 2.變量,變度,偏差。 3.【語言】語尾變化;變體,異體;【數(shù)學(xué)】變分,協(xié)變;順列;【生物學(xué)】變異,演變,變種;【音樂】變奏曲;【天文學(xué)】變差;(月的)二均差;【物理學(xué)】磁差。 a principle without variation 不變的方針[原則]。 be capable of variation 可能變化。 be liable to variation 容易變化。 These prices are subject to variation. 上列價(jià)格可能變更。 adj. -al
pattern n. 1.模范,榜樣;典范。 2.型,模型;模式;雛型;【冶金】原型。 3.花樣;式樣;(服裝裁剪的)紙樣;圖案,圖譜,圖表;機(jī)構(gòu),結(jié)構(gòu);特性曲線;晶體點(diǎn)陣;(電視的)幀面圖像。 4.方式;形式;格局;格調(diào)。 5.(衣料等的)樣品,樣本,樣板。 6.〔美國(guó)〕一件衣料。 7.(炮彈等的)散布面;靶子上的彈痕。 8.(飛機(jī)的)著陸航線。 a pattern wife 模范妻子。 a paper pattern for a dress 女服紙樣。 a machine of a new [an old] pattern新[舊]型機(jī)器。 a cropping pattern農(nóng)作制。 after the pattern of 仿…。 vt. 1.照?qǐng)D樣做;仿造,摹制 (after; upon)。 2.給…加花樣,用圖案裝飾。 3.〔英方〕與…相比 (to, with)。 vi. 形成圖案。 pattern oneself after 模仿,學(xué)…的榜樣。 adj. -ed 仿造的;被組成圖案的(patterned forms【語言學(xué)】 仿造詞)。 n. -ing 圖案結(jié)構(gòu),圖形;(行為等的)特有型式。 adj. -less 無圖案的。
The role of introgression in shaping the genetic variation pattern of the species should be seen in the same light . 在形成種的遺傳變異型中,種質(zhì)滲入所引起的作用也應(yīng)當(dāng)用同樣的見地來看待。
The discontinuous component of the genetic variation pattern of a species also contains the differences among subpopulations resulting from accidents of sampling genetic drift and others . 物種遺傳變異型不連續(xù)的成分也包含抽樣遺傳播遷和其他事故引起的亞種群之間的差別。
Study on the topographic variation pattern of vegetation distribution 四川臥自然保護(hù)區(qū)植被的地形分異格局研究
Study on the topographic variation pattern of vegetation distribution in wolong nature reserve, sichuan province 四川臥自然保護(hù)區(qū)植被的地形分異格局研究
The radial variation patterns of wood density in 19 chinese fir provenances were studied by means of x-ray wood densitometry 以微密度分析對(duì)19個(gè)種源杉木的木材密度徑向變異模式進(jìn)行了研究。
However, the variation patterns of rdna in gymnosperms are little known because of the limited sequence data 但是在裸子植物中由于研究資料的匱乏,使我們對(duì)裸子植物rdna的變異模式了解甚少。
There existed a certain degree of variation in the radial variation patterns of average ring density among provenances and among individual trees within provenances 不同種源間和種源內(nèi)株間,年輪平均密度的徑向變異曲線都存在一定的變異,但此變異主要表現(xiàn)在種源內(nèi)株間。
Till today there is no report on molecular evolution of 5s rdna in pinus . thus, the rdna variation pattern and organization in gymnosperm genomes are the primary focus of the present project 8s-26srdna位點(diǎn)數(shù)平均較被子植物多,5srdna除pinusradiata外,在其它種里則與被子植物相似。
5s rdna cloning and sequencing were carried out to analyze the 5s rdna variation pattern . genomic in situ hybridization ( gish ) was performed for better understanding of genomic relationship among closely relative pines 利用克隆測(cè)序方法對(duì)松屬植物5srdna的研究無疑是有開創(chuàng)性的工作,可以探討裸子植物的5srdna的進(jìn)化機(jī)制和種間關(guān)系。
When the anisotropy is not taken into account, the obtained image almost has the same variation pattern with that when anisotropy is considered . but pn velocities are not well consistent with geology for the former than the later 如果不考慮pn波速度的各向異性變化,波速橫向變化的整體趨勢(shì)和考慮各向異性時(shí)接近,但pn波速度與地質(zhì)構(gòu)造吻合得沒有考慮各向異性時(shí)好。