Seen from the present grain production and economic development, national grain is structurally overabounded and at the low security level, with regional security and insecurity in coexistence. Besides, cultivated land resources , water resources and farmers' economic income are all not optimized.

從我國糧食生產(chǎn)狀況與經(jīng)濟發(fā)展水平看看片a免费观看视频大片，全國糧食生產(chǎn)處于結(jié)構(gòu)性過剩與低水平安全中，區(qū)域性糧食安全與不安全并存射欧美综合；耕地資源好男人社区WWW在线资源、水資源以及農(nóng)民的經(jīng)濟收入狀況等均不容樂觀，加之自然災(zāi)害加重久操B，糧食生產(chǎn)的環(huán)境成本將隨之增加中国产XXXXA片免费视频软件，這將影響我國未來糧食安全。

China's traditional coal chemical sector is structurally oversupplied at present.

目前中國傳統(tǒng)煤化工產(chǎn)業(yè)出現(xiàn)結(jié)構(gòu)性過剩国产JIZZ在线观看。

This paper focuses on such problems as disclosing the relationships between knowledge, systemizing knowledge and representing knowledge structurally, which can help smooth circulation of knowledge in order to realize its value.

揭示知識間的關(guān)聯(lián)性熟妇精品视频，使知識更加系統(tǒng)化，層次化地早現(xiàn)給知識需求者人人操五月肥妇，是加速知識流通91精品啪中文字幕，實現(xiàn)知識價值的關(guān)鍵。

Based on the N-terminal amino acid sequence BLAST search results and the fact that its activity is strictly Ca^2＋ dependent, the purified protein might be structurally and functionally related to the annexin protein family.

結(jié)合其N-末端序列BLAST搜索結(jié)果及其活性的鈣依賴性亚洲精品视频在线免费，推測該蛋白是與膜聯(lián)蛋白Ⅱ相關(guān)的一類蛋白質(zhì)

In the second chapter, twelve compounds constructed by arenedisulfonates and metal ions such as alkali, alkaline earth and transition metal ions have been synthesized and structurally characterized.

第二章描述了在水溶液條件下芳烴二磺酸根離子與堿金屬離子66j8影、堿土金屬離子和過渡金屬離子形成的十二個化合物的結(jié)構(gòu)。

Structurally its products can be divided into single-point,shear beam-bending,damped and column and etc.,weighing capacity ranges from 300 grams to 100 tons.

按結(jié)構(gòu)主要分為單點式亚洲最新无码中文字幕久久、剪切梁式95视频官网、阻尼式和柱式等，量程從300克至100噸粉色毛片网址1。

In the design aspect, besides maintained the smooth line of cheongsam,clothing design masters retained its rigorous structure, do not have any nonessential accessories such as belt, button-fastening loop, appendix bag and so on; in craft aspect,abbreviating the shoulder part, useing the decoration flower and embroidery, all these things enhances the skin texture effect;structurally, not only adopting the pipa front, the pleasant lapel, the low lapel, the hich collar, the low collar,even on collar, but also involving its sisters art ,such as drawing, to make decorations for cheongsam.Those cheongsam on which drown flowers, birds, and makeups in Peking opera,are exotic and elegant. Graft the drawing onto the clothing design and improve the originally structure which is insufficiently comfortable,the new style cheongsam become a marvellous achivement on the international clothing stage Moreover, the production technology innovation, the technical process improvement, the new material use, all of these has poured the new blood into the Chinese dress development.

在款式方面亚欧天堂，除了保持旗袍流暢的線條外，服裝大師們在設(shè)計剪裁時亚日韩欧美性爱片，保留旗袍結(jié)構(gòu)嚴謹国产又大又硬又爽免费视在线观看，線條流暢，沒有任何不必要的帶日本免费A片人人片人人C人人，袢我要操我要干，袋等附件的特點；在工藝上采用收肩亚洲男人的天堂网址，飾花黄色网站黄色毛片，穿珠片，刺繡等手法，加強肌理效果欧美在线VAV，在構(gòu)造上免费观看18禁网站入口，采用琵琶襟，如意襟男人天堂黄色网址，低襟一级又大爽又黄的免费毛片，高領(lǐng)，低領(lǐng)国产在线中心com，無領(lǐng)等草女人网站，同時又把繪畫等姊妹藝術(shù)也作為旗袍裝飾的手段，那些畫有花欧美精品久久，鳥欧美三级国产一级，京劇臉譜等圖案的旗袍，不僅設(shè)計新巧国产免费夜间在线观看AV，而且風格典雅人人操人人看人人拍，富有韻味，把服裝和繪畫融為一體欧美激情四射三级网站，打破了原來穿著不夠舒服的構(gòu)造在线小视频91，使之一展新容，成為國際服裝舞臺上的奇葩欧美真人性爱一线黄片在线免費观看。

The deck of the bridge was composed of concrete planks which were structurally reinforced using old steel rail.

橋的橋面是木板組成免费啪视频现在线视频网站，其中混凝土結(jié)構(gòu)鋼筋使用舊鋼軌。

The distribution and formation of epithermal gold deposits in northern Xinjiang are structurally controlled by calderas, craters, diatremes and related faults.

金礦的形成和分布受破火山口看黄网站免费、隱爆角礫巖筒欧美午夜理论片在线播放、與火山機構(gòu)有關(guān)的斷裂以及區(qū)域斷裂控制。

Tall Paleozoic trees superficially resembling modern screw pines; structurally intermediate in some ways between cycads and conifers.

一種高大的古生代樹木亚州艳情网站，外表與現(xiàn)代的露兜樹相似日韩在线主播福利影院AV；結(jié)構(gòu)上介于蘇鐵和針葉樹之間。