请注意，梯度时通常并列最佳工作领域的单位肤色或基调。
Note that gradients usually work best when juxtaposed with areas of flat colour or tone.
这是一个上升，注意这正俯仰梯度指示，增加高度会降低空速。
This is a climb, note the positive pitch ladder indication on the HUD, the increasing altitude, and decreasing airspeed.
在采用垂向梯度法进行跃层分析时，要注意深浅水交界处跃层分析的连续性问题。
If the improved vertical gradient method is used to analyse thermocline, halocline and pycnocline, continuity must be guaranteed in regions where shallow water and deep water meet.
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