I don't understand why it's so difficult to confirm an appointment.
我不明白为什么确认预约就这么困难？
I don't understand why it's so difficult to confirm an appointment.
我真不懂确认个约会有这么难吗。
Difficult to confirm the product model, and batch when it comes to product quality problem.
产品生产品种多、批量小，当制造过程及产品质量出现问题时，难以锁定产品型号，批次。
He says just five percent of the marriages have ended in divorce, a claim that is difficult to confirm.
他表示有百分之五的婚姻是以离婚告终的，但这种情况很难验证。
If the casting has the problem, it is very difficult to confirm whether it is design problem or mold problem.
铸件有问题很难确定是设计问题还是模具问题。
It is difficult to confirm the internal boundary condition for the fluid-solid coupling heat transfer system.
固流耦合的办法可以将固、流结合面上比较难确定的外部边界转化为系统的内部边界。
The second is that it's difficult to confirm reasonable exercise price of stock options in non-listed companies.
二是对非上市公司而言很难确定合理的期权执行价格。
It is difficult to confirm the internal boundary condition for the above fluid-solid coupling heat transfer system.
确定上述固体、流体耦合传热系统的内部边界条件成为发动机传热研究的难点。
As a consequence, it is difficult to confirm the temporal status infiltration field after precipitating infiltration.
因此，降雨入渗后的暂态渗流场难以确定。
It is difficult to confirm the position and distribution of singularities in space generally when the test data with noise disturbance is filtered by Fourier transform.
用傅里叶变换对含有噪声干扰的试验数据进行滤波，通常难以确定奇异点在空间的位置及分布情况。
It is more difficult to confirm the transformation relationship between geodetic height and normal height. This is main reason of restricting application of GPS height into use.
指出GPS大地高与正常高之间的转换关系较难确定是限制GPS高程应用的主要原因。
It is difficult to confirm the pressure effect on oil and gas generation and organic matter maturation, because the fluid pressure in sedimentary basins changes during geological history.
沉积盆地中流体压力在地质历史中是变化的，所以很难确定压力对油气生成、有机质成熟作用的影响。
Matchmaking is used to make a match between supply and demand in inadequacy information market. The complex and changeful market information make it more difficult to confirm precise specification.
匹配是不完全信息市场中供、需双方之间的撮合过程，复杂多变的市场信息使精确的匹配规格确定越来越困难。
Laboratory testing to confirm human infection with H5N1 avian influenza is technically difficult; some tests produce inconclusive or unreliable results.
确认人感染H5N1禽流感的实验室检测在技术上是困难的；一些检测产生了非决定性或不可靠的结果。
If treatment is started prior to the lumbar puncture it may be difficult to grow the bacteria from the spinal fluid and confirm the diagnosis.
如果在腰椎穿刺之前开始治疗，可能很难培养出脊髓液中的细菌并确诊。
But how to confirm the effective safety distance is so difficult if we want to both protect people nearby and reduce the economy burden.
但如何确立有效的安全距离既能有效的保护周边群众的生命安全又能减轻企业的经济负担成为比较难的课题。
In most cases, it is not difficult to make a diagnosis according to the location and typical clinical features of condyloma. A few cases need further laboratory tests to confirm the diagnosis.
大多数病例，根据尖锐湿疣的发病部位及典型临床特征不难做出诊断，少数病例还需要进一步实验室检查来确诊。
In most cases, it is not difficult to make a diagnosis according to the location and typical clinical features of condyloma. A few cases need further laboratory tests to confirm the diagnosis.
大多数病例，根据尖锐湿疣的发病部位及典型临床特征不难做出诊断，少数病例还需要进一步实验室检查来确诊。
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