行直线性 linearity
平行直线轨迹 parallel line track
平行直线边界 parallel linear Boundary
直线飞行 straight flight ; rectilinear flying ; rectilinear flight ; straight-line flight
直线行进 Down the line
直线执行器 Thomson Tollo Linear Actuators ; Linear Actuator
精密直线执行器 Thomson Tollo Precision Linear Actuators
水平直线飞行 Straight and Level Flight
直线行程悬竿干燥系统 straight line system
直线行驶 Straight Running ; straight driving
无论风暴或者大洋流的阻碍，座头鲸都能按直线行游。Zerbini建议我们可以看看地图，会发现它们可以在数百公里内按直线前进。
"You can look at the maps," says Zerbini, "and you see whales moving in a straight line for hundreds of kilometers."
类似的，当谢幕的时候，演员鞠躬或者行屈膝礼，他们将一只脚放在另一只的后面，弯曲膝盖，这样“切断”了腿的那条直线。
Similarly, for the curtain call, when actors bow or curtsy, they place one foot behind the other and bend at the knee, thus 'breaking' the line of the leg.
分别予以赋值后，用计算机行单因素直线相关，多元直线回归和多元逐步回归分析。
The effect of these factors to the therapy option (surgery vs conservative treatment) was analyzed by liner correlation, multiple liner regression and forward stepwise regression.
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