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a too difficult speech too a difficult speech too difficult a speech a difficult speech too
≤S≤3 1≤S≤6 2≤S≤12 S≤2或S≥12
K≤1.O×10-6mm/s K≤1.0×10-7mm/s K≤1.0×10-8mm/s K≤1.0×10-9mm/s
△s≤50mm △s≤70mm △s≤150mm △s≤200mm
≤S≤3 1≤S≤6 2≤S≤12 S≤2或S≥12
≤0.04% ≤0.05% ≤0.035% ≤0.025%
≤0.10s ≤0.11s ≤0.12s ≤0.13s ≤0.14s
P-R′间期＜0.12s P′-R间期≥0.12s P′-R间期≤0.21s R-R间期≤0.21s R-P′间期＜0.20s
That’s difficult I’m difficult It’s difficult for me I feel that difficult
0≤ι≤s 0≤ι≤3s 0≤ι≤a 0≤ι≤2s
风速V≤20m/s，计算500kV杆塔荷载时，风荷载调整系数取1.00 风速20≤V≤27m/s，计算500kV杆塔荷载时，风荷载调整系数取1.10 风速27≤V≤31.5m/s，计算500kV杆塔荷载时，风荷载调整系数取1.20 风速V≥31.5m/s，计算500kV杆塔荷载时，风荷载调整系数取1.30
U<0.5m/s 0.5m/s≤U≤1.5m/s 0.5m/s 1.6m/s≤U≤1.9m/s
K≤1.0×10-6mm/s K≤1.0×10-7mm/s K≤1.0×10-8mm/s K≤1.0×10-9mm/s
△s≤50mm △s≤70mm △s≤150mm △s≤200mm
≤S≤3 1≤S≤6 2≤S≤12 S≤2或S≥12
P-R′间期＜0.12s P′-R间期≥0.12s P′-R间期≤0.21s R-R间期≤0.21s R-P′间期＜0.20s
π≤s≤π 
π≤s≤π 
π≤s≤π 0≤s≤π
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