'constant training' is correct and usable in written English.
You can use it to describe activities that are regularly repeated and used to improve skills or knowledge. For example, "John is committed to his constant training routine, which has enabled him to become a competitive runner."
However, as indicated here, the greater requirement for sustained training (compared with the measurement of height and weight) would jeopardize its usefulness in a context where trained supervisors and constant training are not accessible.
There is constant training, new gear and technology to be mastered, new soldiers to fit into the units.
Most ordinary citizens do not credit the need for constant training and practice in order to be responsible gun owners.
This is to be a combat-ready force in constant training with local allies so as to be ready to move quickly from training to combat mode.
In order to maintain the integrity of a classical repertory, a dancer must be in constant training for a specific technique and style.
Izzy's size and demeanor make her ideal for working in crowded areas – as well as her acute sense of smell, which is honed by constant training.
The results at some instantaneous train speeds are compared to corresponding constant train speeds.
Constant train speed for consecutive train passes has been shown to accelerate corrugation growth while widening the probabilistic speed distribution can be shown to mitigate the phenomena.
Our school was sited across the street from the national Centre for Disease Control and Prevention, which proved to be an alarming neighbour when SARS broke out and we watched the constant train of ambulances.
The results of this study show that ventilating air flows can be increased significantly during periods of constant train motion and acceleration, by factors of 1.4 and 2 respectively, but that the train drag will increase at the same rate.
As NOizeFest 2012 approached, however, a tattoo parlor owned by new transplants from Massachusetts moved in between our house and Bacchanal wine bar, and surprised us by immediately demanding silence from our entire noisy little corner, where constant trains and other industrial noise necessitated extraordinarily liberal sound laws.
