体循环的容量肺循环的7倍。

（或：体循环的容量约比肺循环大6倍。）

4. Acute appendicitis among older patients has a mortality rate many times that of appendicitis in young adults.

老年人患急性阑尾炎的死亡率比靑年人高许多倍。

5. There are more than 5 times as many hospital beds as before liberation.

医院床位数为解放前的5倍多。

（或：医院床位数比解放前增加4倍多。）

6. At present the factory produces not less than three times as many medical instruments as it did in 1965.

现在该厂生产的医疗仪器至少为1965年的3倍。

（或：现在该厂生产的医疗仪器至少比1965年多2倍。）

7. Mercury weighs about thirteen times as much as water.

水银的重量约为水的13倍。

（或：水银约比水重12倍。）

8. The dose given should be two to three times as great as those required to mainiain health under normal conditions.

所需剂量应为正常情况下维持健康所需的2~3倍。

（或：所需量应比正常情况下维持健康所需的高1〜2倍。）

9. In the United States the incidence of metastatic carcinoma is at least twenty times greater than that of primary carcinoma.

在美国，转移性癌症的发生率至少为原发性癌症的20倍。

10. The incidence of the disease is five times higher in men than in women.

男性患此病要比女性多4倍。

11. The incubation period is three times longer than that of influenza.

此病的潜伏期为流惑的3倍。