Pigeonpea Cajanus cajan(L. Millspaugh is one of the important grain legume crops in the tropics and subtropics.

木豆是熱帶和亞熱帶地區(qū)一種重要的食用豆類作物高清在线不卡色美女视频，近年木豆產(chǎn)業(yè)在我國發(fā)展迅速亚洲视频在线免费公开。

Emissions from tropics of methyl chloride are thought to be the main reason for this pattern.

這種趨勢的解釋：赤道附近的排放是主要原因

Living in cold regions will be hibernating snails, the type of life in the tropics will be dormant during the dry season, dormant when the mucus secreted in the formation of a layer of dry mouth closed shell, the body hidden in the shell, when temperature and humidity out of the activities when appropriate .

在寒冷地區(qū)生活的蝸牛會冬眠国产欧美精品综合区，在熱帶生活的種類旱季也會休眠一a黄色视频，休眠時分泌出的黏液形成一層干膜封閉殼口全免费A级毛片免费看69，全身藏在殼中九九久久精品视频，當(dāng)氣溫和濕度合適時就會出來活動。

The cocoanut is particular to the tropics.

椰子是熱帶特有的国产2020av在线。

Imagine that you are in a calm bay in the tropics and you are submerging to the coral reef below.

想像你是在一個平靜的海灣在熱帶和你是淹沒到珊瑚礁下面18禁黄色网站免费观看。

The resources of the tropics are not inadequate ; they are culture-bound.

熱帶的資源并非不足；而是受栽培的限制日韩欧美另类。

Little is known about climatic conditions in the tropics during the last glacial period and the deglaciation that followed.

人們對最后一次冰期熱帶的氣候條件以及隨后發(fā)生的冰川消退知之甚少国产原创视频在现观看。

A positive correlation was found between the solar activity and NO3- concentration in recent 1500 years. A long-standing issue of the nature of the solar activity during the Maunder Minimum was solved. An about 36a cycle was found in the solar activity. Low solar activity and weak geomagnetic field were responsible for the 36Cl peak at about 37ka BP. Climate change recorded in this ice core lagged insolation about 4ka during the last glacial maximum, about 1ka during the last deglaciation, and nearly 0ka during the Holocene.δ18O record also suggests that the variation in temperature on the Tibetan Plateau had some similar features to that in both Northern and Southern Hemispheres during the last deglaciation to some extent, which indicate that the tropics maybe play an important role on global climate change.

揭示出近1500a來古里雅冰芯中NO3-濃度變化可以反映太陽活動的強(qiáng)弱變化先黄色网站在线观看；回答了長期爭議的并直接關(guān)系到太陽發(fā)電機(jī)理論是否正確的Maunder極小期太陽活動特征問題；發(fā)現(xiàn)太陽活動可能存在36a左右的周期久亚洲美女视频；證實了37kaBP左右古里雅冰芯記錄中宇宙成因同位素36Cl含量峰值的存在18福利午夜福利视频少妇，指出這一時期的宇宙成因同位素峰值事件具有全球性，弱的太陽活動和弱的地磁場是這一事件發(fā)生的原因所在欧美精品在线性爱视频；揭示出古里雅冰芯記錄到的"8.2ka BP事件"A片免费网站一区二区，認(rèn)為這一全球性事件發(fā)生的主要原因與弱的熱鹽環(huán)流和弱的太陽活動有關(guān)；發(fā)現(xiàn)古里雅冰芯記錄的末次冰盛期和末次冰消期氣候變化均在一定程度上滯后于太陽輻射變化天天操天天，而全新世氣候變化大致與太陽輻射變化同步福利免费试看；發(fā)現(xiàn)末次冰消期高原地區(qū)氣候變化不僅具有北半球氣候變化的某些特征，同時還具有南半球氣候變化的某些特征欧美人和牲口杂交在线观看，這說明熱帶地區(qū)可能對全球氣候存在重要的影響欧美亚洲另类图片。

Images of deglaciation, thawing tundra, coastal inundation, early bloom, drought, and dying coral bring the headlines on global warming to life. Images are available on global change themes in Antarctica, Alaska, coastlines, England, oceans, polar thaw, temperate zone, tropics, and weather. Copyright notices are conspicuously posted.

"全球變暖觀察"是美國藍(lán)色地球聯(lián)盟的一個研究項目，該網(wǎng)站提供了有關(guān)全球變暖的圖片和說明www.欧美黄色网站，包括冰川消退99久久99久久精品免费看子伦、苔原消失、海平面上升黄色,com、干旱、珊瑚死亡等日韩在线观看黄A片免费视频，這些圖片通過不同的專題保存中文字幕97国产，比如地區(qū)、事件豆奶app下载进入ios、溫度帶等一级毛片全部免费播放_。

Polyculture is the dominant farming system in many areas of the tropics, where the degree of mechanization and the use of agricultural chemicals remain low.

混養(yǎng)是許多熱帶地區(qū)主要的耕作制度，在這些地方亚洲欧美日韩一区二区在线，機(jī)械化程度低少妇工地嫖妓毛片，并且很少使用農(nóng)藥。