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- The state or quality of being null. 无效无效的状况或性质
- null ellipsoid 点椭面
- The act of making null and void. 废除使 ... 作废和无效
- The contract was null and void because it was not signed. 这个合同无效，因为它尚未签字。
- The court ruled that the claim was null and void. 法庭裁决此项要求无效。
- The locus E of points is an ellipsoid. 点的轨迹E是一个椭球。
- The marriage was declared null and void. 婚姻已宣告无效了。
- The null subset corresponds to the term 1. 空集则对应于常数项1。
- Capsule ellipsoid or cylindric, opening from base. 蒴果椭圆形的或圆筒状，基部开裂。
- Flowers bisexual, globose to ellipsoid in bud. 在芽中的花两性，球状到椭圆形。
- A null reference pointer was passed to the stub. 向占位程序传送了空的索引指针。
- Achenes short, ellipsoid to lenslike. 瘦果短，椭圆体到透镜状的。
- Fruit a caryopsis, ovoid to ellipsoid, beaked. 果一颖果，卵球形的到椭圆形，具喙。
- The agreement was declared null and void. 这个协议被宣布无效。
- Berry ellipsoid, ca. 10 mm, stylar foot beaklike. 浆果椭圆形，约10毫米，花柱基喙状。
- Buds ellipsoid, glabrous, viscid. 芽椭圆形，无毛，黏。
- A promise obtained by force is legally null. 一个以武力获得的契约在法律上是无效的。
- The operator O is the null operator. 算符O是零算符。
- A null field descriptor is the descriptor that forms the blank division in export. 一个空白字段描述符是在输出中形成空格的描述符。
- The column '%.*ls' in table '%.*ls' cannot be null. 表 ''%253!'' 中的列 ''%251!'' 不能为空。
