Within the first section, about 80 % of vlnar nerve gave off two branches: the palmar proper digital nerve of vlnar side of little finger and the fourth palmar common digital nerve.

尺神经80%于第一断层内发出小指尺掌侧固有神经与第四指掌侧总神经，第四指掌侧总神经在三、四断层处分出小指掌桡侧固有神经，无名指掌尺侧固有神经。

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The fourth lumbrical muscles arc all controlled by the deep branch of the ulnar nerve.

第四蚓状肌全部由尺神经深支支配。

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Ferguson backed his players to hold their nerve in the title chase and the United manager is confident his team can finish strongly to secure a record fourth successive top-flight crown.

弗格森爵士让自己的球员保持冷静，曼联经理相信自己的球队能够完成4连冠的伟业。

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Rock, who has long threatened to fulfill his promise, pulled ahead at the fourth hole and kept his nerve in the face of challenges from Woods and world No. 3 McIlroy.

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But Kolo Toure fouled Ryan Babel and Gerrard held his nerve from the spot, before Babel broke to add a fourth.

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Although Hamilton opened up the fourth set with an 11-dart leg, Klaasen took control again and kept his nerve to take the set and go on to secure victory.

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