世界著名的演讲稿
can qbe set into a function like this q ? ? q ( p , w , z ? ) , qη means the output farmers decide qto produce .p implies the output price w implies input price and. z: ? is fixed input. once produce what and produce how many are decided, next question to be considered is how much products to be transacted in market. here we use three cc()cη means how functions to describe this question. the first equation, c ? ?p , z ?{世界著名的演讲稿}.
much agricultural products used by famers themselves. p implies the price the cagricultural product, z ?suggests the fluctuation of cη. the second equation q ? ? q ? ? c? , qη means the amount of agricultural products transacted in
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