Rather than sloping to follow the Angle of the terrain, the route is broken up into stepped levels that zigzag across the ground to avoid touching trees.

小径的路线没有顺延基地的坡度，而是分成了几个阶梯式的标高，通过之字形道路进行连接，避免碰到树木。

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Focal area of ground glass attenuation on LUL, which shows no remarkable interval size or configuration changes on 2 months follow-up CT scan.

左上叶局部毛玻璃影，在2个月的CT随访中无明显的大小及形态改变。

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Confirming that these candidates are actually planets can be a tricky and laborious process, requiring follow-up observations by ground-based instruments or further analysis of Kepler's data.

MSN: Kepler telescope adds 41 planets to its list - Technology & science - Space - Space.com | NBC News

Follow-up observations are also being planned using other ground-based instruments, as well as several space observatories, including the Hubble Space Telescope and the infrared Spitzer Space Telescope.

MSN: Newly discovered alien planet 'resets the bar for weird'