But Ames theorist Jack Lissauer says that if no transits are observable, it will be much harder to pin down the orbits and masses of these planets.

但是艾姆斯研究中心的理论家杰克·利索尔称，如果没有可以观察的凌日现象，要想确定这些行星的轨道情况和质量就会难得多。

youdao

The utility model is mainly formed by the connection of a movable lock catch (2) and a fixed lock catch (6) via a pin roll (5). The movable lock catch is provided with a lock tongue plug jack.

它主要由活锁扣片（2）和死锁扣片（6）通过销轴（5）连接构成，在活锁扣片上有一锁舌插孔。

youdao

We were a bit disappointed that the connection didn't come at the hands of a 30-pin jack or Lightning port, but overall the unit worked quite nicely in our limited time with it.

ENGADGET