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When the coronary sinus is unsuitable for transvenous biventricular pacing, a transseptal approach from the right to left atrium can allow endocardial left ventricular pacing with permanent anticoagulant therapy, instead of epicardial pacing via the branches of the coronary sinus.

当冠脉窦不适合经静脉双腔起搏后，右房至左房的隔膜通路手术需要经永久抗凝血疗法后进行左心室内膜起搏手术，而不是经冠脉窦分支的心外膜起搏。

The second part points out that the unadequate formulas used in the laying out curves may lead unsuitable results in the fieldwork .

本文分两步来讨论：首先介绍公式的推导方法，其次讨论使用何类型公式为最适当，而不致在应用时产生误差。

Results and Conclusions The main factors influencing the treatment effect of PHC in China are the followings:(1) Most patients with PHC of subclinical type failed to be diagnosed and treatment in time.(2) As a wrong idea PHC has been considered an "uncurable disease", so the treatment strategy is nagative.(3) Unsuitable choice of treatment resulted in some PHC unable to be resected.(4) Intraoperative massive bleeding due to unskill-operative techniques, increase the postoperative morbidity and mortality.(5) The manner of treatment is not positive for PHC patients with portal cancer thrombosis, bile duct cancer hteombosis and portal hyperlension.(6) Combined therapy can not be used or unsuitably used.

结果与结论影响我国PHC治疗效果的主要因素有：(1)诊断不及时，致使大多数亚临床期病人未及时确诊，丧失了手术良机；(2)观念陈旧，认为肝癌是&不治之症&，治疗态度消极；(3)治疗方法选择不当，使一些本来可以切除的PHC病人错过了手术时机；(4)手术医生技术不熟练，术中出血多，增加了手术后并发症和死亡率；(5)对PHC合并门静脉癌栓，胆管癌栓，门静脉高压症等合并症缺乏积极治疗态度；(6)不重视或不合理应用综合治疗措施等。

In most cases we were refused on some pretext or other, while we ourselves turned down a few places as unsuitable.

在多数情况下，我们会因某些借口而遭到拒绝，然而我们自己也会拒绝一些不合适的住所。

In most cases we were refused on some pretext or other,while we ourselves turned down a few places as unsuitable.

大多数情况下，别人总会找一些借口来拒绝我们，或者我们自己觉得地方不好不想住。

The unsuitable potential of the constricting nozzle is the essential reason of arc interference and double arc.

不利的喷嘴电位干扰是产生主电弧与维弧相互干涉和双弧的根本原因。

Some also complained that the posters for the high-tech action thriller costarring James McAvoy and Morgan Freeman were unsuitable to be seen by children.

另一些人则认为，这部高科技动作惊悚片的宣传海报少儿不宜。该片由詹姆斯·迈克埃维和摩根？弗里曼联袂主演。

After above fifty years of flourish expansion, the domestic seamless steel tube enterprises are now facing many contradictions, such as the unsuitable product category for consumption structure, lagging techniques, weak marketing concept .The competition among the enterprises in this field becomes incandescing etc.

国内无缝钢管产业经过五十余年的蓬勃扩张后，已面临着品种不能适应消费结构、工艺技术水平落后、市场营销理念薄弱等诸多矛盾，产业内各生产企业的竞争已进入白热化。

Amid the financial market crisis, many jittering investors who fell into an unsuitable investment strategy appear to have suffered magnified investment losses.

源源不断的坏消息使得投资行业在这一年陷入困境。

The greatest sources of soil degradation were overgrazing, unsuitable agricultural practices, and deforestation.

土壤衰退的最大原因是过度放牧、不适当的农业施作、和森林滥垦。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。