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

以险态度区隔市场，险趋避型、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。

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

而险趋避型较偏好银行存款和保险，险爱好型较偏好外汇和股票，险型偏好期货。