求翻译：上世纪60年代发现石油时，尼日利亚还是有名的农业大国。尼日利亚国旗的旗面是由三个平行相等的竖长方形构成，两边为绿色，中间为白色。白色象征和平与统一，绿色象征农业。但现在，石油变成了惟一的经济支柱，整个经济都被绑在油井里，农业已完全被忽视。 在此过程中，西方的大石油公司也起了推波助澜的作用。是什么意思？

The 1960s, the discovery of oil, Nigeria is well-known agricultural country. Nigerian flag of the flag of three parallel vertical rectangular, both sides of the green, the middle is white. White symbolizes peace and unity, the green symbolizes agriculture. But now, the oil to become only the economi

In the 1960s, when oil was discovered in Nigeria is also a major agricultural country. The Nigerian national flag is the flag of 3 parallel equivalent of the vertical rectangular form, the two sides is green, the Center is white. White symbolizes peace and unity, and the green symbolizes agriculture

When on century 60's discovery petroleum, Nigeria is the famous large agricultural nation.The Nigerian national flag flag surface is by three parallel equal vertical rectangular constitutions, nearby two is a green, middle is the white.White symbol peace and unification, green symbol agriculture.But

60 of the last century when the discovery of oil, Nigeria is also a famous agricultural country. Nigeria flag is the national flag consists of three equal vertical parallel rectangular form, green on both sides, the middle is white. White symbolizes peace and reunification, the green symbolizes agri