Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts . 大多数连于芳核能被直接取代的基团仅限于重氮盐。
Its use is limited to the preservation of breeding material or the establishment of clonal seed orchards . 其用途仅限于保持育种材料或建立无性系种子园。
Some of these methods are rather delicate, however, and their application is restricted to simple cases . 其中某些方法颇费周折，故其应用仅限于简单的情况。
Where resistant channel materials prevail, erosion is limited solely to "plunge pools" immediately below the outlets . 如果河床为抗冲物质，则冲刷仅限于紧靠出口下游的“冲刷坑”。
The growth of these bars is limited by the depth at which waves will plunge and prevent further sand encroachment . 这些砂洲的生长仅限于波浪能冲进的深度，并且阻挡了外边砂质物的进入。
The sphere of competition of car manufactures and firms assuredly is not confined to engines, chassis, and electronics . 汽车制造厂商的竞争领域决不仅限于车引擎、汽车底盘和电子器件等方面。
If he be not apt to beat over matters , and to call up one thing to prove and illustrate another , let him study the lawyer 's cases .. 如果某人不善于详细查看事物，仅限于用一事物去和另一事物对比、解释的话，就让他去见识见识律师怎么办案子。
Many of these options are field assembly only 许多这类选配件都仅限于现场安装。
However , the pattern is not limited to ejbs alone 然而，这种模式并不仅限于ejb 。
Phosphoric acid : for use only to clean equipment 磷酸：仅限于作为清洁设备之用。
