A discussion is presented on the error compensation of the reflecting planes of polygon s in accurate angular measurement using autocollimator and polygon s.

討論了利用多面棱體和自準直儀進行精密角度檢定時多面棱體工作面偏差的補償問題，給出了工作面偏差補償符號的判定方法久久久久精品日韩久久久。

The most ellipse 4- wing rotor s installed in Banbury mixer are used popularly in the large size of tire factories of China, the working part of rotor is spiral wing body shape and its structure affects the quality of compound and the productivity directly.

我國大型輪胎廠普遍使用的本伯里型密煉機上轉(zhuǎn)子均為橢圓形四棱轉(zhuǎn)子，轉(zhuǎn)子的工作部分螺旋棱體形狀及其結(jié)構(gòu)直接影響煉膠質(zhì)量和生產(chǎn)效率。

Cauline leaves often denticulate, sparsely ciliate; mature fruit terete or slightly 4-angled, abruptly constricted to beaklike apex 0.5-1.5 mm; fruiting pedicels (4-)6-10(-12) mm, slightly shorter or slightly longer than fruit

經(jīng)常的莖生葉具小齒天天日狠狠插，疏生緣毛；圓柱狀的成熟果或稍四棱形3yz14.com，對喙狀先端突然縊縮毫米一区二区精品视频在线观看；果梗(4-)6-10(-12)毫米，稍短或稍長于果 2 G亚洲一级黄色片。 pendula 垂果四棱薺

Fruit ribs filiform, prominent, furrow conspicuous; vittae 1–3 in each furrow.

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Fruit ellipsoid, 4–5.5 × 3.5–4 mm; dorsal ribs prominent, lateral ribs broad-winged; vittae 1–3 in each furrow, 4–6(–8) on commissure.

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Fruit ellipsoid, strongly dorsally compressed, densely pubescent; dorsal ribs obscure, lateral ribs broad-winged; vittae 3–5 in each furrow, 10–12 on commissure.

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Fruit suborbicular or broad-ovoid, dorsally compressed, glabrous; dorsal ribs prominent, lateral ribs broad-winged; vittae 3–5 in each furrow, 4–10 on commissure.

果近圓形或?qū)捖研误w久久免费经典黄色视频，背壓縮，無毛91POPNY地址；背棱突出在线日韩片精品免费观看，側(cè)棱寬翅；油管3-5在每棱槽欧美黑人黄色大片，4-10在合生面上WWW,色色色色色色色,。

Highly significant positive correlation between β-amylase activity and protein content was found for two-rowed barleys, but not four- and six-rowed barleys.

淀粉酶活性與籽粒蛋白質(zhì)含量之間，二棱大麥品種存在極顯著的正相關(guān)能看黄的网站在线一区，而四棱和六棱大麥品種的相關(guān)不顯著精品精品国产日韩26u。

Amylase activity in most barley varieties ranged from 500 U/g to 1500 U/g, and on average of all varieties with the same row type, two-rowed barleys had the highest β-amylase activity.

多數(shù)大麥品種的β-淀粉酶活性變動在500～1500U/g之間，二棱大麥的平均值明顯高于四棱和六棱大麥久久频这里精品99。

This method avoids the complex computing of cutting tri-prism in current methods by parameterization of surface triangulations.

該方法利用三角網(wǎng)格參數(shù)化在地層面三角網(wǎng)的基礎(chǔ)上重建類三棱柱網(wǎng)格模型操女人的屄的网站，避免了現(xiàn)有類三棱柱建模方法中切割三棱柱的復(fù)雜計算。