查询词典 null function

Bouma T J%Yanai R D Estimating age-dependent costs and benefits of roots with contrasting life span: Comparing apples and oranges New Phytologist , 2001,null

周焱%罗安程有机肥处理对小麦根系生长、活力和磷吸收的影响 10.3321/j.issn：1008-505X.1997.03.008 植物营养与肥料学报， 1997，03

Shaner G%Ohm H W%Finner R E Response of susceptible and slow leaf-rusting wheat to infection by Puccinia recondita Phytopathology , 1978,null

商鸿生%王利国%陆和平%井金学小麦对条锈病高温抗病性表达规律的研究植物保护学报， 1997，2

Schnathorst W C%Mathre D E Host range and differentiation of a severe form Verticillium albo-atrum in cotton Phytopathology , 1966,null

石磊岩%冯洁%王莉梅北方植棉区棉花黄萎病菌生理分化类型研究棉花学报， 1997，null

Beckman P M Cultural techniques and conditions influcncing growth and sporulation of Cercospora zeae-maydis and lesion development in corn leaves Phytopathology , 1983,null

丛斌%杨长城%杨思咸%李玉清%文华%刘伟%羿远启%傅波%陈岗辽宁省春玉米区主要病虫害综合防治技术体系的建立、发展与展望沈阳农业大学学报， 2000，5

Kohmoto K%Otani H%Tsuge T Isolation and biological activities of two host specific toxins from the tangerine patho-type of Alternaria alternata 10.1094/Phyto-83-495 Phytopathology , 1995,null

黄忠良%曹洪麟%梁晓东%叶万辉%冯惠玲%蔡楚雄不同生境和森林内薇甘菊的生存与危害状况热带亚热带植物学报， 2000，2

Obayashi S Multidisciplinary design optimization of aircraft wing planform based on evolutionary algorithms San Diego , 1998,null

余雄庆 多学科设计优化算法及其在飞机设计中的应用研究南京：南京航空航天大学， 1999，null

As far as I know there are three kinds fo such tests commonly exist - the Dall Null test which uses a single plano-convex lens, an auto-collimating test uses a flat as big as the mirror under test and Offner test using two plano convex lens.

据我所知现时一般存有3种此类测试，其一是达耳零位测试采用单一只平凸透镜，再有是自准直测试采用一块平镜大小一如被测试的反射镜，及 Offner 测试采用2只平凸透镜。

Dobson G M B Origin and distribution of the polyatomic molecules in the atmosphere Proceeding of Royal Society of London , 1956,null

陈文%黄荣辉准定常行星波对大气中臭氧输运的动力作用大气科学， 1995，5

The null result was directly related to a central postulate of the theory.

零结果都直接与理论的中心假设相联系。

With regard to acts, the law obliges the individual either to perform or to omit certain acts; hence the distinction into "affirmative or preceptive" laws and "negative or prohibitory" laws; at times it is forced to allow certain things to be done, and we have "permissive" laws or laws of forbearance; finally, the law in addition to forbidding a given act may render it, if performed, null and void; these are "irritant" laws.

对於行为时，法律规定，无论是个人表演，或省略某些行为，因此，区分到"扶持或preceptive "法和"负面或禁止性"的法律；有时，它是被迫允许某些事情要去做，我们的"通融"的法律或法规的忍；最后，在法律之外，不许一特定行为可能导致它，如果履行，是无效的，这是"刺激性"的法律。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。