step change

noun

1. 巨大变化；显著进步（或改善）
   a big change or improvement in sth
   1. His speech called for a step change in attitudes to the environment in the 21st century.
      他的演讲呼吁在21世纪彻底改变对待环境的态度。

1. N-COUNT 突变;巨变;重大改革
   A step change is a sudden or major change in the way that something happens or the way that someone behaves.
   1. We now need a step change in our secondary schools to match that achieved in our primaries.
      我们现在需要大力改革中学，以便与我们在小学里所取得的成果同步。

1. We now need a step change in our secondary schools to match that achieved in our primaries.
   我们现在需要大力改革中学，以便与我们在小学里所取得的成果同步。
2. This offers a great cost benefit for production of these kinds of solar cells and could help make a step change in the production of them.
   对于各种太阳能电池的生产商来说，这是一项巨大的成本收益，有可能推动生产过程发生巨变。
3. Steering a start-up successfully through adolescence, however, requires a step change in financing.
   然而，初创企业要想成功度过青春期，需要在融资方面做出重大转变。
4. Particularly when we achieve step change innovation.
   尤其是当我们逐步改变、追求创新的时候。
5. Evidence for this proposal must be available to demonstrate that such a step change is necessary and proportionate.
   支持这一计划的证据能够证明，这个改变是必须并适当的。
6. Dynamic heat characteristics of radiators after a step change in flow rate
   流量阶跃变化后散热器动态热特性分析
7. A non-driving-force approximation is presented for the description of dynamic response of a spherical porous particle subject to a step change in the surface concentration.
   本研究推导用于描述因颗粒表面浓度阶梯式改变所导致动态行为之非驱动力近似式。
8. The Step Change Equation and Its Applications in Design Counting Circuits
   触发器的跳变方程及其在计数电路设计中的应用
9. Where the progression from Novice to Competent is fairly linear, the transition to Proficient represents a step change.
   从“新手”发展到“胜任”阶段基本上是线性的过程，而到“精通”阶段代表了一个台阶的提升。
10. The dynamic response of fuel cell characteristics after step change of cathode inlet velocity, humidity and cell voltage was analyzed.
    最后，分析了阴极入口速度、湿度和电池电压阶跃变化后电池特性的动态响应特性。
11. The CNOOC offer marks a step change in that quest, even if the Chinese only obtain a fraction of what they want.
    中海油的竞购标志着这种探求的一大飞跃，即使它只得到了它想要的东西的一部分。
12. The judges felt this represented a step change on the existing strategy tree, and laddered the concept to a whole new level.
    评委们认为，这个词的出现意味着现有的“战略树”一词发生了跃变，并将这个概念提升到了一个全新的高度。
13. The team's2008 challenge sees a substantial evolution in three key areas, the most fundamental of which is a directional step change in the car design philosophy.
    车队的2008挑战者在三个关键领域里有着稳固发展，其中最基本的是赛车设计理念的方向步骤改变。
14. With relocation, of course, would come a step change in the quality of the capital stock – both in the power sector and in heavy industry.
    当然，搬迁将令资本存量的质量发生重大变化，无论是在电力行业还是在重工业都是如此。
15. In television, a short duration variation in the luminance following a step change in the video signal.
    电视技术中，电视信号在出现一个阶跃变化后引起亮度的短时间闪烁。
16. The input signal ( the system set point) is the usual step change in the optimization procedure.
    优化过程中正常的系统设定点阶跃变化作为辨识信号。
17. The response and restoring characteristics of gas sensors ( model QM211) were studied in effect of step change of gas concentration, and it was found that they can be approximated with transcendental function model.
    用实验方法研究了半导体气敏传感器（QM211型）在气体浓度阶跃作用下的响应和恢复特性，发现它们均可用超越函数模型近似。
18. The results indicate that the main characteristics of this earthquake were expressed as high frequency and fast attenuation of water level vibration, great range of water level step change and without best observation distance and others.
    研究结果表明，本次地震显示水位振荡快衰减也快以及水位阶变多、幅度大和不存在最佳记震距离等主要特征。
19. The transient signals of Agl and AgBr electrodes responding to a sudden step change in the activity of interfering ions is studied.
    用活度阶梯法研究了AgI和AgBr电极对干扰离子的瞬时响应信号。
20. Fuzzy logic is used for choosing the switching states. which improves the electric torque response of the system effectively during the start-up and a step change in command torque.
    采用模糊逻辑选择逆变器的开关状态.有效地提高了系统在启动和转矩给定突变时的转矩响应。
21. By using the Step Change Equation, the Principle and method of counting circuits analysis are discussed.
    本文叙述了用触发器的跳变方程分析计数电路的原理和方法。这种方法具有较严格的逻辑运算，因此使计数电路的分析简单而可靠。
22. The output step change characteristics of various flipflops are studied, a united step change equation of flipflops is established, and the principles and methods for the design of parallel and serial counting circuits are simplified and identified.
    本文研究了触发器的输出跳变特性，建立了各类触发器统一的跳变方程，简化并统一了并行计数电路和串行计数电路的设计原理和方法。
23. The coseismic step change should be responded by not only one instrument in the station with various means.
    多观测手段的地震台站，同震阶变应该在不止一台仪器上得到响应。
24. In this research, the output voltage is required to track the reference voltage when the latter has a step change.
    在这项研究中，当参考电压收到来自系统需求的阶跃变化时，输出电压需要能尽快地跟踪参考电压进行变化。
25. With the first step to prepare, this step change calculation is simple, easy to show.
    有了第一步的准备，第二步变的计算简单、容易显现。
26. From the simulation results, giving availability analysis on the current step change of voltage to power.
    通过仿真结果，分析电流的阶跃变化对电压和功率的影响。
27. In the end, the author also calculates the thermal retardation time of the concrete slab cooling system and capillary cooling system when the supply water temperature in the step change condition.
    得出了供水阶跃变化条件下，标准结构的楼板式冷天花和毛细管式冷天花的热滞后时间。
28. Then, the system operating experiment at steady and step change wind speeds are carried out. Experimental results demonstrate the effectiveness of the proposed MPPT control scheme.
    然后，进行了风速稳定和突变时的有位置/速度传感器系统的运行实验，实验结果验证了最大功率追踪方案的有效性。
29. And impulse function was introduced into the input part of the state equation, to simulate the step change of boundary potential when a polarity reversal occurred. The strength of the impulse presents the variation of the step change.
    同时为了模拟极性反转时边界电位发生的阶跃变化，在状态方程的输入项中引入冲激函数，冲击函数的强度代表了边界电位发生阶跃变化时的变化量。