For example, all a VFR pilot has to do to enter Class C airspace is establish two-way radio contact with ATC.
例如，VFR飞行员进入C类空域所要做的就是与空中交通管制建立双向无线电联系。
They made human contact, and encouraged the pilot to use his authority to help them.
他们直接与人做了交道，并鼓励驾驶员使用他的权力来帮助他们。
As the plane crossed state lines neither pilot realized the jet no longer was on the correct radio frequency and that controllers were growing worried about their failure to stay in contact.
飞机随后飞越了州界，两位飞行员都没有意识到飞机已经不在准确的无线电频率上，而地面塔台也对无法与飞机保持联系感到越来越担忧。
One pilot said he made several attempts to contact the only controller on duty and had to abort his landing during the final approach.
一名飞行员表示，他多次试图联系当时值班的唯一一名调度员，最后一次不得不取消降落。
Air traffic control lost radio contact with the pilot of the aircraft ten minutes before the accident.
事故发生前十分钟空中交通管制失去了和飞机驾驶员的无线电联系。
Two days after the accident the federal aviation administration ordered small fixed-wing planes not to fly over the east river unless the pilot is in contact with air traffic controllers.
飞机失事两天后，联邦飞航管理中心下令小型固定机翼的飞机不可以飞越东河，除非飞行员先行与航空控制员联络。
One pilot said he made several attempts to contact the only controller on duty and had to abort his landing during the final approach. Both jets eventually landed safely.
一名飞行员表示，他曾多次联系值班的一名空中管制员，最后不得不中止降落，最终两架飞机安全着陆。
The pilot lost contact with the control tower .
飞行员与指挥塔失去了联系。
With a pilot scale test, the pretreatment of polluted reservoir water by biological contact oxidation process with three-dimensional web-like media was carried out.
进行了立体网状填料生物接触氧化法预处理受污染水库水的中试试验，并分析了该填料在生物接触氧化法中的特点。
The pilot study was done on the filling shape of liquid metal in lost foam process with dry sand by using rapid photography method and contact time method.
采用高速摄影法和电极触点法，对干砂消失模铸造金属液的充填形态进行了初步研究。
This paper introduced a pilot-research of using EGSB(Expand Granular Sludge Bed) reactor and bio-contact oxidation reactor combination to treat the wastewater.
本文介绍了采用EGSB厌氧反应器和生物接触氧化工艺两者相结合的方法处理该类污水的现场试验研究。
Since then, the pilot hadn't had any further contact with the control tower.
之后，这名驾驶员并未再与塔台做任何连系。
Since then, the pilot hadn't had any further contact with the control tower.
之后，这名驾驶员并未再与塔台做任何连系。
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