由于配额型交易市场和项目型交易市场的交易规则和程序不同，碳信用在不同的市场上表现出不同类型的金融衍生品特性。

A．Stability of long-distance railway Combined with road transport flexibility.
B．Speed of air transportation combined with flexibility of road transportation.
C．The economy of shipping, large capacity combined with the flexibility of road transport.
D．Long distance transportation through the river.

A.空天军
B.火箭军
C.联勤保障部队
D.战略支援部队

A.w/4-1+省
B.w/4+1+省
C.w/4+1
D.w/4-1