非体现型技术进步
参考答案：
由生产要素的重新组合、资源配置的改善、规模经济的效益以及管理技术的完善带来的技术进步。
新生儿低钙血症的临床表现是
A．烦躁不安
B．肌肉抽动及震颤
C．呼吸暂停
D．肌张力减低
E．惊厥
At the time a forward contract is initiated, which of the following is/are agreed upon by the two parties()
A. The good to be exchanged and the price at which the exchange will be made.
B. The time at which the exchange will take place.
C. All of above are agreed upon.
