parallel force

基本解释

The parallel cutting force is positively related with the density of bamboo.
切削力与竹材密度呈正相关关系；
That is something the army previously resisted. But General Carlos Mata Figueroa, the defence minister, insists that the militia is a “complementary”, not parallel, force.
虽然该军队之前有所反抗，但是国防部长卡洛斯司令坚持自卫队只是“候补军”，并非常规军。
Regional trade block emerges as a parallel force to GATT/WTO multilateral trade system in the international economic system, so it is quite important to harmonize the two systems.
WTO多边贸易体制允许区域贸易安排的建立并对其作了规制条件，而区域贸易安排对多边贸易体制的影响利弊共存。

We are talking here about a parallel military force that can recruit from the people, whether they are Venezuelans or foreigners, which may include Cubans or even Iranians.
CENTERFORSECURITYPOLICY: Center For Security Policy
Bigelow directs with power and precision, and the raid at the end on Abbottabad, conducted by Navy SEALs, is twenty-five minutes of dark, green-tinted movement (as seen through night-vision goggles)—a methodical, room-by-room exercise of deadly force without parallel in recent movies.
NEWYORKER: Zero Dark Thirty
The raid is a methodical, room-by-room exercise in deadly aggression that is without parallel as a display of force in recent movies.
NEWYORKER: Dead Reckoning