blocking of track 中文意思是什麼
blocking of track
解釋
線路閉塞-
Lack of advanced experimental instrument for studying the object movement in farm machine operations is a serious problem at present. hence a high - speed photography system is established on soil bin to study the rules of moving objects. it is first time to research the moving track of the maize straw shattered on the planter by using a high - speed photography system in order to resolve the anti - blocking problem of no - tillage planter
本文針對農機作業中物體運動試驗研究手段落後的現狀，在土槽上建立了一套高速攝像系統用於研究物體的運動規律；並針對免耕播種機的堵塞問題，首次將土槽高速攝像系統用於免耕播種機粉碎后秸稈的運動軌跡研究。 -
The ministry of railway has developed two kinds of frequency - shift track circuits based on the primary 4 - information frequency - shift system : 18 - information frequency - shift auto - blocking track circuit made in china and um - 71 jointless track circuit made in france, and put them into use on some important lines. but at the mean while, the safety of running train becomes austerer and austerer
鐵道部根據我國國情，在原有4信息移頻制式的基礎上，研製開發了兩種移頻軌道電路:國產18信息移頻自動閉塞系統和法國um - 71無絕緣軌道電路系統，並將其應用到我國部分主要線路上。
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