帮忙翻译一段话（汉翻英），在线等

Dude, it's just for your information, some changes should be made if necessary.
Here we go, lol

农业自然灾害是指农业生产所依赖的自然力由于逆向演替使农业系统从有序进入无序状态及由此引起的农业歉收现象。
Natural calamity of agriculture means that the agricultural production dependent natural force makes the orderly agricultural system become disorderly due to the reverse succession and eventually causes crop failures
严重的农业自然灾害往往会给一个国家和民族带来巨大的灾难，甚至毁灭性的打击。
Severe natural calamity of agriculture would always bring about huge disasters, even crushing blows, to a country and a nation
中国古代社会经济是以农业为基础的，农业受自然灾害的影响十分严重，960—1127年，自然灾害严重程度达到了前所未有的地步，其中对农业危害最大的是水灾、旱灾、虫灾、雹灾和霜灾。
Ancient Chinese social economy was relayed on agriculture, which was suffering terribly from natural calamity. The severity caused by natural calamity during 960—1127A.D. reached to a point where none of its kind had ever seen before and in which flood, drought, inset, hail and frost caused the heaviest disasters to agriculture.

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Natural Disasters is the natural forces of agricultural production depends on the reverse succession order to enter the agricultural system from the disordered state and the resulting poor harvests phenomenon. Serious agricultural natural disasters often give a country and nation a huge disaster, and even devastating. Ancient Chinese society is agriculture-based economy, agriculture by natural disasters is very serious ,960-1127, the severity of natural disasters has reached unprecedented levels, which is the most damaging of agricultural flood, drought, pests, hail and cream disaster.
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英文：
Natural Disasters is the natural forces of agricultural production depends on the reverse succession order to enter the agricultural system from the disordered state and the resulting poor harvests phenomenon. Serious agricultural natural disasters often give a country and nation a huge disaster, and even devastating. Ancient Chinese society is agriculture-based economy, agriculture by natural disasters is very serious ,960-1127, the severity of natural disasters has reached unprecedented levels, which is the most damaging of agricultural flood, drought, pests, hail and cream disaster.