›2‹‰’†/1900(501`550)›
15–⃂[ƒh

‘5–β–Ϊ ‰ρ“šŒ‹‰Κ‘
•s³‰πI
³@‰πFaudience
Žž@ŠΤF183242•b
³‰π”F3–β

‘ζ6–β–Ϊ
’nˆζA4•ͺ‚Μ‚PA‚Q‚TƒZƒ“ƒgA(`s)hŽΙ
method
quarter
necessity
length


ƒƒjƒ…[‚Φ
Δ’§ν