And once that learning curve has straightened out, Groovy can offer an unparalleled rapid development platform.
而且一旦将这条学习曲线拉直，Groovy就能提供一个无与伦比的快速开发平台。
2
I honestly think that, once the curve is passed, JRuby could offer the most productivity.
不过老实说，我认为一旦越过困难的学习门槛，JRuby的生产效率是最高的。
3
Studies on some problems related the making and application of calibration curve are conducted which offer references for the correct use of calibration curve.