Urbanization development needs adequate funding, balanced relationship between urbanization I F supply and demand, and efficient management of urbanization I F. They are conductive to promote the further development of urbanization.

Cardiac pacemaking is controlled by an inward current called I f, which is activated by membrane hyperpolarization of pacemaker cells in the sinoatrial node.

心脏的起搏受控于一类存在于心脏窦房结被称作If的离子通道，该通道是被细胞膜的超极化所激活。

Research on Static Test of I/ F Converter in IMU

惯导装置中I/F变换器静态测试方法研究

What the hell are you doing? I f you don't think they watch us in here, you're wrong! Hey. I'd put that down if I were you.

你到底在做什么你以为他们没有监视我们你就错了嘿如果我是你我会把它放下

Aim and Methods: By using two microelectrode voltage clamp technique, to observe the effects of adenosine ( Ad) on pacemaker current I f were examined in sheep cardiac Purkinje fibers.

目的和方法：用双微电极电压钳技术，观察腺苷（adenosine，Ad）对绵羊心室浦肯野纤维起搏离子流1f的影响。

Marcus: I feel terrible. I'm as sick as a dog.

马卡斯：我觉得很不对劲，我病得很厉害。

I feel terrible. We gotta do something.-Oh, yeah.

我觉得很愧疚我们得做点什么-是啊

I feel terrible, Miss Lounds.

很抱歉，劳兹女士。

Good morning, doctor walton, I feel terrible these days.

早上好，沃尔顿医生。这几天我感觉非常不舒服。

But I feel terrible.

我可感觉糟透了！

If you must know, I feel terrible.

如果你一定要知道的话，我感觉糟透了。

For what happened. I feel terrible that you found yourself in a situation...... that caused you additional pain.

对于所有的事，你在咖啡馆遇到的事情我真的感到难过，它加重了你的痛苦

I feel terrible sneezing at a time like this.

这个时候打喷嚏真尴尬。

Monica: I feel terrible, I really do.

我觉得很糟糕，真的。

A young man came home from work and found his bride upset." I feel terrible," she said.

丈夫下班回到家里，发现自己的新娘心绪烦乱。“我心里太难受了”她说。

Poor Sophie. I feel terrible.

可怜的苏菲，真为她感到难过。

Began to meet new words be very much, I feel terrible, but must insist, met all the words, not to write down all comprehension.

开始碰到生词会很多，感觉很难受，但是一定要坚持，碰到全部不会的单词，都要记下来弄懂。

I feel terrible, I am late to a meeting with a bigwig client.

糟糕透了，我跟大客户的会面就要迟到了。

And I feel terrible about that.

对此我很抱歉

I feel terrible. I hardly slept a wink last night.

我觉得有点难受。昨天晚上几乎一夜没有合眼。

I feel terrible, I should never have told him.

我感到很难受，我根本不该告诉他的。