当你高价买入低价卖出时，即使你带着极大的热情做它，也很难产生收益的。
When you buy high and sell low, it's really hard to generate returns, even if you do it with great enthusiasm.
他们还在难产的时候使用产钳。
胎膜早破；难产；并发症。
他的妻子在生他们第六个孩子时因难产而死。
Dodd's mother) died in childbirth with their sixth child. Mr.
难产，接生婆束手无策，需要马上去医院，把孩子生下来。
The pregnancy was difficult, and the woman needed to go to the hospital to have her baby.
在骨盆问题引起的难产前，无效的宫缩应该加以纠正。
Inefficient uterine action should be corrected before attributing dystocia to a pelvic problem.
但是在进入城市之后的数分钟内，却很难产生这种幻觉。
Minutes beyond the city limits, it's hard to recall that chimera at all.
目的探讨头位难产的发生率、常见原因、处理方法及预后。
Objective To investigate the rate of incidence, cause, treatment and recovery of cephalic presentation dystocia.
让步于这种负面感受使得很难产生决定行动的计划和坚持到底的动力。
Giving way to this kind of negative perception makes it extremely difficult to come up with a plan of action or the motivation to follow through.
这样传统的多阶段库存模型很难产生最优的库存控制策略。
Such traditional multi-stage inventory model is very difficult to have the most superior inventory control strategy.
当困难产生时，尽力保持平静，并对所发生的事情做出理性的判断。
When difficulties arise, try to keep calm for a little while and make some kind of rational sense out of what is happening.
这使得很难产生了解另一轮经验的热情，并且用作放弃收集更多数据的论点。
This makes it hard to generate enthusiasm for another round of lessons learned, and has been used as an argument to forego collecting any more data.
目的：探讨改良头位分娩评分法用于识别头位难产的可行性及临床应用价值。
Objective: to explore the feasibility and value of the clinical practice of the modified scoring method in the diagnosis of head-position dystocia.
这些人都经历过难产，也就意味着她们的胎儿过大或者胎位不正不能从产道生产。
All had suffered from obstructed labor, meaning that their babies were too big or in the wrong position to pass through the birth canal.
剖宫产占难产分娩的比例逐年增高，同期产钳助产占难产分娩的比例逐年下降；
The ratio of cesarean section birth to dystocia delivery increased year by year, with reverse trend of forceps delivery.
一个街垒处在危急状态之前是混乱的，而在危急时刻则纪律严明；危难产生了秩序。
A barricade before the arrival of danger is chaos; in danger, it is discipline itself. Peril produces order.
研究表明，即使在鸟类在其他地方重新栖息下来，他们也比过去更难产卵和育雏。
The study shows that even after birds reestablish themselves elsewhere, they have a harder time laying eggs and rearing chicks than they used to.
女孩还没有成年，妇女因营养不良而生长受限，太小的骨盆使得她们分娩时极易难产。
Girls not fully grown, or women stunted by malnutrition, often have small pelvises that make them prone to obstructed labor.
亨利的第三任妻子简·西摩尔生下一个男性继承人，即爱德华，但很快死于一次难产。
Henry's third wife Jane Seymour provided a male heir, Edward, but died soon after a difficult Labour.
但是家庭压力让他不得不跟他爸爸一样当个医生，接着他就对难产这一问题产生了兴趣。
But family pressure had induced him to follow his father into medicine, and he began to be fascinated by the difficulties of birth.
一些专家认为，当灾难产生潜在长远的影响，在保持逻辑性的同时也要关注情感的变化。
Some experts contend that when a disaster has potentially profound repercussions, we should pay attention to emotions as much as logic.
在分娩的早期发现难产问题的方法是通过产程图，即通过生产的进程图来监测母婴状态。
A simple tool for identifying these problems early in labour is the partograph – a graph of the progress of labour and the maternal and fetal condition.
当你高价买入低价卖出时，是很难产生回报的，不管你有多大交易热情或有多大交易量。
When you buy high and sell low it's really hard to generate returns, even if you do it with great enthusiasm and great volume.
我们会开始寻找实验证据证明这些固定励磁的存在，尤其是因为在其他材料中很难产生孤波。
We'd like to start looking for experimental evidence that these localized excitations occur, not least because solitons in other materials are hard to generate.
此外，灾民一般不习惯居住在这样刻板的网格状设计环境中，这使他们很难产生社区认同感。
Furthermore, a rigid grid design makes the creation of community identity difficult, as the displaced people are not usually accustomed to living in such a pattern.
1964年的冬天，哈桑出生在那间小屋里。在他出生前一年，我的母亲在生我时难产而死。
It was there, in that little shack, that Hassan was born in the winter of 1964, just one year after my mother died giving birth to me.
1964年的冬天，哈桑出生在那间小屋里。在他出生前一年，我的母亲在生我时难产而死。
It was there, in that little shack, that Hassan was born in the winter of 1964, just one year after my mother died giving birth to me.
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