Three groups discriminated by risk attitude are Risk averter, Risk balancer and Risk lover.

以风险态度区隔市，风险趋避型、平型及爱好型三族群。

Newly developed semi automatic grinding wheel balancer for precise grinder detects unbalance vibrative signal by digital phase sensitive detection technique.

介新研制成功的精密磨床砂轮半自动平。

Risk averter prefers bank deposit and insurance, Risk lover prefers foreign exchange and stock and Risk balancer prefers futures.

风险趋避型较偏好银行存款和保险，风险爱好型较偏好外汇和股票，风险平型偏好期货。