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- Below Threshold Change 低于临界值的变化
- Just below threshold, consistel1tto theoretical analysis, there are numbers of comb-like narrow linewidthlights due to resonating of ifltr8-cavity ASE light. 首先理论分析了当有源环形腔无注入光，且有源光纤环形腔在阈值以下时，由有源腔内ASE输出光表现出的腔输出特性。
- Combining the basic laws of psychophysics and signal detection theory, we use two-alternative forced-choice(2AFC) tostudy the threshold change of human electric sense under different noise levels. 在心理物理实验中，结合心理物理学和信号检测论的基本原理，采用了二间隔的强迫选择法(2AFC)作为实验方法，研究不同噪声量级情况下人体电感觉阈值的变化。
- It require change to the setup menu as show below. 它需对安装菜单做修改，如下所示。
- He had a bruise just below his left eye. 他有个伤疤正好在他左眼的下侧。
- The cabin has a flat stone for a threshold. 这间小屋用一条扁平的石头做门槛。
- The treaty will be the threshold of lasting peace. 这个条约将成为持久和平的开端。
- The mercury dived to ten below zero. 温度突然下降到零下10度。
- He had to make a quick change at Shanghai. 他不得不在上海匆忙换车。
- From the hill top we can see the plains below. 从山顶上我们可以看到山下的大平原。
- Take a change of clothes with you. 把你替换的衣服带去吧。
- He was on the threshold of his career. 他的事业刚刚起步。
- I thought his remarks were quite below the belt. 我觉得他的话十分尖酸刻毒。
- Their missile silos are below ground. 他们的导弹发射井在地下。
- He was hostile to any change in our plan. 他反对我们计划中的任何改变。
- A can like this is considered below standard. 这样的罐头认为是不合格的。
- His income is well below the average. 他的收入大大低于平均水平。
- Can you change a five-pound note? 你能换开五英镑的票子吗？
- He had never crossed the threshold of a bar before. 他过去从未进过酒吧的门。
- He weighed in at several pounds below the limit. 他赛前量体重比规定限度少几磅。
