u 3 cm th¨¬ l ng¨¤y hm sau kh nng cao s v 45- 89- 53. Tng hp kinh nghim soi cu x s hiu qu Cu to: Vt gm phn ct vt (blade) v¨¤ mt vt (rubber). Ct vt thng l¨¤m t g t nhi¨ºn (chim ¨ªt nht 85%) v¨¤ c¨® th kt hp vi si carbon hoc si thy tinh. Thc cht, t l cc Indonesia xut hin t rt lu tr¨ºn bng t l cc ca hu ht nh¨¤ c¨¢i chu . Tuy nhi¨ºn ngi chi vn hay quen s dng t l cc Malaysia, Hng Kng hn. Dn n t l cc Indonesia vn cha c bit n nhiu v¨¤ cha thc s ph bin. Quy nh v v¨°ng chy gn v¨¤ c¨¢ch ghi im Cng thc t¨ªnh tin thng k¨¨o cc t¨¤i xu g¨®c Khi tham gia cc k¨¨o chu u cht lng, ngi chi khng th da v¨¤o may mn m¨¤ cn trang nhiu k nng v¨¤ nhng kin thc v lut chi tng c hi chin thng cho bn thn. Vic a ra quyt nh la chn ca thng ¨C h¨°a ¨C thua tng chng rt d nhng khi t ch¨²ng tr¨ºn b¨¤n cn vi s vn nng th¨¬ bn mi hiu c sc nng tm l m¨¤ n¨® gy ra. Mt s kinh nghim chi k¨¨o chu u cht lng bn c¨® th tham kho: La chn trn u l¨¤ bc quan trng h tr vic soi k¨¨o Chiu d¨¤i: Li k¨¦o d¨¤i to¨¤n b chiu rng ca b¨¤n (1,525m) c cng ngang gia b¨¤n, phn nh ra mi b¨ºn ch khong 15,25 cm. Thng hiu 789bet l¨¤ mt trong nhng tp o¨¤n gii tr¨ª c¨¢ cc h¨¤ng u, c th¨¤nh lp chu u v¨¤o nhng nm 2000 (c¨¢ch y gn 20 nm). xay-dung-chien-luoc S dng v kh¨ª ph¨´ hp

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