Of alfalfa grass against as many as 65 kinds of products, including dicotyledonous weeds against the most serious, there are: Ma theophrasti, Xanthium, green salsa, salsa fin, Cephalanoplos vegetables, Salsola collina, flat hair, trionum wild, East City, quinoa, small Chenopodium, Portulaca oleracea, Amaranthus retroflexus, Capsella bursa-pastoris, iron amaranth, playing a bowl of flowers, vegetables brachyotus Chicory; monocotyledons mainly Setaria grass, barnyard grass, Chloris virgata, reed, Dichotomanthes grass, Digitaria Descurainia sophia, and so on.

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The occurrence of Cephus spp.and their natural enemies on the spring wheat and winter wheat in Gansu and Qinghai was investigated.The results showed that the average damage rate by C.fumipennis was 7.9% in Gansu, while the rate was 12.5% in Qinghai.

對甘肅、青海地區(qū)春东北妓女东北话对白、冬小麥麥莖蜂及其天敵發(fā)生情況進行調查久久精品无码一级二级，發(fā)現(xiàn)灰翅麥莖蜂在甘肅地區(qū)的平均危害率為7.9%，在青海地區(qū)平均危害率為12.5%成人免费国产剧情视频在线播放。

Fourthly, they have joint negligence. Negligent coprincipal can be divided into two categories: pure negligent coprincipal and impure negligent coprincipal; professional negligent coprincipal and unprofessional negligent coprincipal, among which the former is according to characteristics of causation between act violating attention obligation and consequence while the latter is according to difference of categories of attention obligation violated.

過失共同正犯的成立須具備四個要件：其一www.birugy.com，犯罪主體為二人以上且均具有刑事責任能力；其二，二人以上的行為人負有避免危害后果發(fā)生的共同注意義務中午字幕中文字幕在线中777；其三宁夏暇葩货运代理有限公司，二人以上的行為人合作實施了具有導致危害結果發(fā)生現(xiàn)實危險性的違反共同注意義務的行為；其四无码一区，二人以上的行為人在違反共同注意義務上存在共同過失秋葵视频安卓手机下载。

The studies on the dionomics of Dendroctonus valens show that this pest overwinters mainly as adult or 3~4 larva in roots of pine at Hancheng region in Shaanxi Province. It occurres 2 generations one year by adult overwintering and 1generation one year by larva overwintering.

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Third, this paper places an emphasis on the current situation of Chinese media identity; analyzes the causes that have led to the failure of duple identities; then it further points out the collisions and conflicts that are now afflicting Chinese media, the inner cultural crack and identity crisis brought by it; describes the symptoms of the identity crisis and its harms; finally, this paper points out the possibility and feasibility of rebuilding Chinese media identity-balance, and propose some solutions in detail.

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Third, this paper places an emphasis on the current situation of Chinese media identity; analyzes the causes that have led to the failure of duple identities; then it further points out the collisions and conflicts that are now afflicting Chinese media, the inner cultural crack and identity crisis brought by it; describes the symptoms of the identity crisis and its harms; finally, this paper points out the possibility and feasibility of rebuilding Chinese media identity-balance, and propose some solutions

第三久久XX中文字幕免费视频、重點解讀當前中國媒體的現(xiàn)狀，指出其當前的雙重認同傾向不卡一级最黄网站，分析其新的身份建構嘗試失敗原因色婷婷精品一区二区。進一步指出當前中國媒體所面臨種種矛盾和沖突，由此導致的內在文化斷裂嗯啊在线网站，產(chǎn)生了認同紊亂和身份危機青青爽a五月天视频99。描述了媒體身份危機的癥狀，產(chǎn)生的現(xiàn)存危害和可能危害免费A级毛片观看网站。最后2011国产精品自拍，指出重建中國媒體身份平衡的可能性和必要性，提出設計方案和方案實施的一些具體辦法和措施欧美性生活电影院。并對本研究進行自我反思和批判91免费观看在线观看入口网址，指出未來的研究方向亚洲男女交配视频。

In order to control Eriosoma lanigerum in Yuxi effectively, the experiment cn the harm characteristics and chemical control was conducted.

為有效防治易門地區(qū)危害漸趨嚴重的蘋果棉蚜，開展了該蟲害危害特性以及藥劑防治的研究国内自拍视频在线看。

Song-hua river is one of the serious rivers in China polluted by organic materials,the main environmental trouble in Song-hua river is bio-pollution frim organic toxicant.

松花江是中國有機污染危害嚴重的河流之一欧美激情视频综合二三区。松花江的主要環(huán)境問題是有機毒物造成的生態(tài)污染危害。

Hazards to a great extent are caused by geo-morphological,geological and geodynamic causes and effect basically the environment and its configuration.

在很大程度上色欲成人影院在线观看视频网站，危害是由地貌宅男欧美第一页、地質及地球動力學等方面的原因引起的，而且從根本上來說操碰在线黄色视频，這些危害會影響到環(huán)境及其構型欧美另类国产日韩。

Deoxynivalenol is a type of harmful mycotoxin produced by Fusarium graminearum Schwabe teleomorph Gibberella zeae (Schwein Petch when fusarium head blight is epidemic in wheat. DON contamination in harvested grain can significantly lower market grade, and result in significant discount in price to the farmers.

脫氧雪腐鐮刀菌烯醇(Deoxynivalenol， DON)是小麥遭受赤霉病危害后由赤霉病菌－禾谷鐮刀菌產(chǎn)生的一種真菌毒素一道本在线视频播放，這種毒素對人類和家畜的健康產(chǎn)生危害国产一区日韩，嚴重地影響小麥的利用價值。