The difference between a hard switching and quasi resonant flyback converter is the turn on time point of the primary switch.
硬开关和准谐振反激变换器之间的差异在于一次侧开关的开启时间点。
The flyback converter running in discontinuous conduction mode can be operated in hard switching or quasi resonant (or valley switching, or ZVS) mode regarding the primary side switch.
电感电流断续工作的反激式变换器一次侧开关可工作于硬开关或准谐振(或谷值开关或零电压开关)模式。
In common hard switching circuit, high voltage spike usually could be produced during switch transition process because of the effect of transformer leakage inductance and parasitic capacitor.
在常规的硬开关电路中，由于变压器漏感及寄生电容的影响，常常在开关转换瞬间会产生很高的电压尖峰。
The shortcoming of hard switch is that the power loss of power devices increases with the switching frequency, which is no good for system integration and improvement of conversion efficiency.
在硬开关状态下，PWM功率变换器的致命弱点是开关管开关损耗随开关频率成正比增加，不利于系统的集成和转换效率的提高。
When the browser vendors realized how hard it was going to be to make the switch to XHTML 2, things just broke down.
当浏览器厂商意识到想要过渡到 XHTML2有多困难时，事情就不了了之了。
But persuading my colleagues, who are less email-obsessed than I am, to make the switch at the same time would have been too hard.
但是我的同事并非都像我一样对邮件着迷，说服他们太困难了。
Set up a positive feedback cycle for single-tasking focus and you'll reverse the years of training your mind has gotten to switch tasks. You'll get more important work done, and it won't seem hard.
当建立起正面的反馈循环机制，经过一段时间训练，你就能适应任务的转换，担当重要的工作，并战胜各种困难。
This makes it very hard for a programmer to switch between enterprise and startup companies.
这也使得程序员很难在大企业和创业公司之间转换角色。
I think it's wise to take money from investors. To be self-funding, you have to start as a consulting company, and it's hard to switch from that to a product company.
我认为明智的做法是寻找适当的投资人，因为依靠自有资金创业，你基本上只能做一个咨询类的公司，而这类型的业务很难转换成一个实业行的事业。
With no hard drive, and a switch to turn off the wireless connection (not the fastest in the world), power can be conserved.
网簿没有硬盘驱动器，有一个转向无线连接的开关(不是世界上最快的)，能节约用电。
They might find it hard or impossible to "switch off".
他们可能会觉得很难或者不可能停下来。
For me, this works much better than trying to cheer myself up reading online – email and other distractions make it very hard to switch off mentally.
对我来说，阅读小说远比在网上阅读来的作用更大一些，因为邮件或者其他一些娱乐都会让我很难将注意力完全集中于故事之中。
Full system replication solutions don't integrate the IBM I and DS8000 functionality, so a seamless switch is hard to achieve and requires an IPL.
全系统复制方案没有集成ibmi和ds8000功能，所以很难实现无缝转换，它需要一个IPL。
If you're at the low end, then you were not highly valued to begin with, so getting people to switch their opinion of you is going to be hard.
如果你的工资不高，那么首先你不被高度重视，所以和别人交换意见就变得困难。
It's hard to mention enumerated types without mentioning switch statements, because they often go hand in hand.
提及列举的类型而没有提及开关叙述是不可能的，因为他们经常在一起。
The switch between the two phases was hard to spot at the time, but probably happened in 2001-02.
2段时期的转折点很难界定，但有可能是出现在2001——2002年之间。
There will also be worries about concentration and monopoly, and the danger of closed ecosystems that make it hard for people to switch between services.
也有人会担心集中、垄断以及封闭式生态系统的危险，让人很难在各种服务之间切换。
"Solid State" pads replace the usual mechanical switch and contact used in other hard pads.
“实心”跳舞毯替换了一般用在硬式毯的机械开关和接触器。
These (too big, to hard) are used to switch the dual-mode scroll wheel from freewheel mode to the click-round precision mode.
这些(太大，能吃苦耐劳)用于飞轮模式切换的双模式滚轮的点击圆精度模式。
It will be hard to switch implementations for different scenarios.
我们很难在不同的场景中切换实现。
They find it hard to switch off at bedtime and would rather practice these wonderful new skills.
他们发现宁愿睡前实践这些美妙的新技能也不想关掉灯。
The thing to remember is that each time of life has its appropriate rewards, whereas when you're dead it's hard to find the light switch.
要记着人生的每一阶段，都有本身的相应回报，死后则难以找到电灯开关。
If the drums will be hit medium to hard, you'll usually want to enable the mic's built-in attenuation (" pad ") switch. This helps minimize the chance of distortion.
如果鼓被越来越有力度的击打，我们经常会希望把麦克内置的衰减开关打开，这样会帮助减少失真的机会。
Using the same light setup, if we switch Shadow Type to Hard Shadows, then the transition from lit to shadowed regions is "hard" - either something is 100% in shadow, or 100% lit.
使用同样的灯光设置，我们切换阴影类型为硬阴影，这时阴影边缘很硬，没有过渡效果。
It can be hard to "switch off" from work at times.
有些时候很难“截断”工作的纠葛。
During the switch, the brain gets enough breaks to go on with the hard materials.
在这个转换过程中，大脑得到了充分的休息，能够继续难度大的材料阅读。
He has designed an adjustable laser that can switch instantly between soft-tissue and hard-tissue wavelengths.
他已经设计出一种可以调整的激光，它可以针对软、硬组织迅速转换波长进行治疗。
CTR Series magnetic temperature switch is the use of temperature sensitive materials, ferrite soft and hard materials, and reed combination.
系列磁敏温度开关是利用铁氧体软磁温敏材料和硬材料，以及干簧管组合而成。
CTR Series magnetic temperature switch is the use of temperature sensitive materials, ferrite soft and hard materials, and reed combination.
系列磁敏温度开关是利用铁氧体软磁温敏材料和硬材料，以及干簧管组合而成。
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