每组又随机分成治疗组和对照组，两组的年龄、病程、病情大致相近。
Every group was divided into therapy and control group randomly. The age, disease course and condition of two groups were mostly similar.
纽曼指出，波特兰的人口与珀斯大致相同，而且它们当时的人口密度相近。
Newman notes that Portland has about the same population as Perth and had a similar population density at the time.
但随着观测手段的提高，天文学家们开始找到与地球的大小相近的行星，以及与我们的太阳系拥有大致相同数目行星的行星系统。
But as detection methods improved, astronomers began to find planets closer in size to Earth and planetary systems that contain nearly as many planets as our solar system.
但随着观测手段的提高，天文学家们开始找到与地球的大小相近的行星，以及与我们的太阳系拥有大致相同数目行星的行星系统。
But as detection methods improved, astronomers began to find planets closer in size to Earth and planetary systems that contain nearly as many planets as our solar system.
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